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2057162720 = 25512857267
BaseRepresentation
bin111101010011101…
…1100111111100000
312022100220200201212
41322213130333200
513203113201340
6540044045252
7101656410644
oct17247347740
95270820655
102057162720
1196623a888
12494b33828
1326a26ca62
141572d8c24
15c0904a65
hex7a9dcfe0

2057162720 has 24 divisors (see below), whose sum is σ = 4860047304. Its totient is φ = 822865024.

The previous prime is 2057162717. The next prime is 2057162743. The reversal of 2057162720 is 272617502.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6428474 + ... + 6428793.

It is an arithmetic number, because the mean of its divisors is an integer number (202501971).

Almost surely, 22057162720 is an apocalyptic number.

2057162720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057162720 is an abundant number, since it is smaller than the sum of its proper divisors (2802884584).

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

2057162720 is a wasteful number, since it uses less digits than its factorization.

2057162720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12857282 (or 12857274 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2057162720 is about 45355.9557279967. The cubic root of 2057162720 is about 1271.8118928618.

The spelling of 2057162720 in words is "two billion, fifty-seven million, one hundred sixty-two thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 12857267 25714534 51429068 64286335 102858136 128572670 205716272 257145340 411432544 514290680 1028581360 2057162720