Search a number
-
+
2277904928 = 251371233331
BaseRepresentation
bin1000011111000110…
…0001001000100000
312212202021120010012
42013301201020200
514131120424203
61014011224052
7110306605145
oct20761411040
95782246105
102277904928
11a698aa762
12536a48028
132a3c0a250
1417875a3cc
15d4ea9bd8
hex87c61220

2277904928 has 96 divisors (see below), whose sum is σ = 4933498752. Its totient is φ = 1028966400.

The previous prime is 2277904879. The next prime is 2277904931. The reversal of 2277904928 is 8294097722.

It is a super-2 number, since 2×22779049282 = 10377701722013370368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6881723 + ... + 6882053.

It is an arithmetic number, because the mean of its divisors is an integer number (51390612).

Almost surely, 22277904928 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 2277904928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2466749376).

2277904928 is an abundant number, since it is smaller than the sum of its proper divisors (2655593824).

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

2277904928 is a wasteful number, since it uses less digits than its factorization.

2277904928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 2277904928 is about 47727.4022758415. The cubic root of 2277904928 is about 1315.7656108276.

The spelling of 2277904928 in words is "two billion, two hundred seventy-seven million, nine hundred four thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 71 104 142 208 233 284 331 416 466 568 662 923 932 1136 1324 1846 1864 2272 2648 3029 3692 3728 4303 5296 6058 7384 7456 8606 10592 12116 14768 16543 17212 23501 24232 29536 33086 34424 47002 48464 66172 68848 77123 94004 96928 132344 137696 154246 188008 215059 264688 305513 308492 376016 430118 529376 611026 616984 752032 860236 1002599 1222052 1233968 1720472 2005198 2444104 2467936 3440944 4010396 4888208 5475733 6881888 8020792 9776416 10951466 16041584 21902932 32083168 43805864 71184529 87611728 142369058 175223456 284738116 569476232 1138952464 2277904928