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2056131 = 337112343
BaseRepresentation
bin111110101111111000011
310212110111000
413311333003
51011244011
6112023043
723322360
oct7657703
93773430
102056131
111184890
12831a83
1356cb5c
143b7467
152a9356
hex1f5fc3

2056131 has 64 divisors (see below), whose sum is σ = 4055040. Its totient is φ = 997920.

The previous prime is 2056111. The next prime is 2056139. The reversal of 2056131 is 1316502.

It is not a de Polignac number, because 2056131 - 210 = 2055107 is a prime.

It is a super-2 number, since 2×20561312 = 8455349378322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2056139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47796 + ... + 47838.

It is an arithmetic number, because the mean of its divisors is an integer number (63360).

22056131 is an apocalyptic number.

2056131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2056131 is a deficient number, since it is larger than the sum of its proper divisors (1998909).

2056131 is a wasteful number, since it uses less digits than its factorization.

2056131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2056131 is about 1433.9215459710. The cubic root of 2056131 is about 127.1599241852.

It can be divided in two parts, 2056 and 131, that added together give a 7-th power (2187 = 37).

The spelling of 2056131 in words is "two million, fifty-six thousand, one hundred thirty-one".

Divisors: 1 3 7 9 11 21 23 27 33 43 63 69 77 99 129 161 189 207 231 253 297 301 387 473 483 621 693 759 903 989 1161 1419 1449 1771 2079 2277 2709 2967 3311 4257 4347 5313 6831 6923 8127 8901 9933 10879 12771 15939 20769 26703 29799 32637 47817 62307 76153 89397 97911 186921 228459 293733 685377 2056131