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2057655732 = 2231115588301
BaseRepresentation
bin111101010100101…
…0101010110110100
312022101211202000120
41322221111112310
513203224440412
6540102411540
7101663533206
oct17251252664
95271752016
102057655732
11966547230
12495130bb0
1326a3b3292
141573c6776
15c09a0b8c
hex7aa555b4

2057655732 has 24 divisors (see below), whose sum is σ = 5237669472. Its totient is φ = 623532000.

The previous prime is 2057655713. The next prime is 2057655751. The reversal of 2057655732 is 2375567502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2057655713) and next prime (2057655751).

It is a super-2 number, since 2×20576557322 = 8467894222864911648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7794019 + ... + 7794282.

It is an arithmetic number, because the mean of its divisors is an integer number (218236228).

Almost surely, 22057655732 is an apocalyptic number.

2057655732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2057655732 is an abundant number, since it is smaller than the sum of its proper divisors (3180013740).

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

2057655732 is a wasteful number, since it uses less digits than its factorization.

2057655732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15588319 (or 15588317 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 42.

The square root of 2057655732 is about 45361.3903226081. The cubic root of 2057655732 is about 1271.9134839895.

The spelling of 2057655732 in words is "two billion, fifty-seven million, six hundred fifty-five thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 15588301 31176602 46764903 62353204 93529806 171471311 187059612 342942622 514413933 685885244 1028827866 2057655732