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2892730240 = 275192310343
BaseRepresentation
bin1010110001101011…
…1000111110000000
321110121011220220001
42230122320332000
521411014331430
61155013125344
7131453541601
oct25432707600
97417156801
102892730240
111254964054
12688929854
133713c6aca
141d6281da8
1511de553ca
hexac6b8f80

2892730240 has 128 divisors (see below), whose sum is σ = 7596633600. Its totient is φ = 1048430592.

The previous prime is 2892730237. The next prime is 2892730241. The reversal of 2892730240 is 420372982.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 2892730240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2892730241) 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, 274509 + ... + 284851.

It is an arithmetic number, because the mean of its divisors is an integer number (59348700).

Almost surely, 22892730240 is an apocalyptic number.

2892730240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2892730240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3798316800).

2892730240 is an abundant number, since it is smaller than the sum of its proper divisors (4703903360).

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

2892730240 is a wasteful number, since it uses less digits than its factorization.

2892730240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10404 (or 10392 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2892730240 is about 53784.1076899115. The cubic root of 2892730240 is about 1424.8505418298.

The spelling of 2892730240 in words is "two billion, eight hundred ninety-two million, seven hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 23 32 38 40 46 64 76 80 92 95 115 128 152 160 184 190 230 304 320 368 380 437 460 608 640 736 760 874 920 1216 1472 1520 1748 1840 2185 2432 2944 3040 3496 3680 4370 6080 6992 7360 8740 10343 12160 13984 14720 17480 20686 27968 34960 41372 51715 55936 69920 82744 103430 139840 165488 196517 206860 237889 279680 330976 393034 413720 475778 661952 786068 827440 951556 982585 1189445 1323904 1572136 1654880 1903112 1965170 2378890 3144272 3309760 3806224 3930340 4519891 4757780 6288544 6619520 7612448 7860680 9039782 9515560 12577088 15224896 15721360 18079564 19031120 22599455 25154176 30449792 31442720 36159128 38062240 45198910 62885440 72318256 76124480 90397820 125770880 144636512 152248960 180795640 289273024 361591280 578546048 723182560 1446365120 2892730240