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2897925888 = 283111326387
BaseRepresentation
bin1010110010111010…
…1101011100000000
321110221221212222110
42230232231130000
521413332112023
61155320335320
7131545651344
oct25456553400
97427855873
102897925888
111257892680
1268a614540
133724c5960
141d6c35624
1511e62ea93
hexacbad700

2897925888 has 144 divisors (see below), whose sum is σ = 9061428096. Its totient is φ = 810577920.

The previous prime is 2897925887. The next prime is 2897925889. The reversal of 2897925888 is 8885297982.

It is an interprime number because it is at equal distance from previous prime (2897925887) and next prime (2897925889).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897925887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96631 + ... + 123017.

It is an arithmetic number, because the mean of its divisors is an integer number (62926584).

Almost surely, 22897925888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2897925888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4530714048).

2897925888 is an abundant number, since it is smaller than the sum of its proper divisors (6163502208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2897925888 is a wasteful number, since it uses less digits than its factorization.

2897925888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26430 (or 26416 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 66.

The square root of 2897925888 is about 53832.3869803300. The cubic root of 2897925888 is about 1425.7030921277.

The spelling of 2897925888 in words is "two billion, eight hundred ninety-seven million, nine hundred twenty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 13 16 22 24 26 32 33 39 44 48 52 64 66 78 88 96 104 128 132 143 156 176 192 208 256 264 286 312 352 384 416 429 528 572 624 704 768 832 858 1056 1144 1248 1408 1664 1716 2112 2288 2496 2816 3328 3432 4224 4576 4992 6864 8448 9152 9984 13728 18304 26387 27456 36608 52774 54912 79161 105548 109824 158322 211096 290257 316644 343031 422192 580514 633288 686062 844384 870771 1029093 1161028 1266576 1372124 1688768 1741542 2058186 2322056 2533152 2744248 3377536 3483084 3773341 4116372 4644112 5066304 5488496 6755072 6966168 7546682 8232744 9288224 10132608 10976992 11320023 13932336 15093364 16465488 18576448 20265216 21953984 22640046 27864672 30186728 32930976 37152896 43907968 45280092 55729344 60373456 65861952 74305792 87815936 90560184 111458688 120746912 131723904 181120368 222917376 241493824 263447808 362240736 482987648 724481472 965975296 1448962944 2897925888