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56886121 = 4711310711
BaseRepresentation
bin1101100100000…
…0001101101001
310222001010002101
43121000031221
5104030323441
65351133401
71260344515
oct331001551
9128033071
1056886121
112a124426
1217074261
13ba29836
1477ab145
154eda231
hex3640369

56886121 has 8 divisors (see below), whose sum is σ = 58616064. Its totient is φ = 55177920.

The previous prime is 56886091. The next prime is 56886127. The reversal of 56886121 is 12168865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56886121 - 27 = 56885993 is a prime.

It is a super-3 number, since 3×568861213 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56886127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45 + ... + 10666.

It is an arithmetic number, because the mean of its divisors is an integer number (7327008).

Almost surely, 256886121 is an apocalyptic number.

It is an amenable number.

56886121 is a deficient number, since it is larger than the sum of its proper divisors (1729943).

56886121 is a wasteful number, since it uses less digits than its factorization.

56886121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871.

The product of its digits is 23040, while the sum is 37.

The square root of 56886121 is about 7542.2888435806. The cubic root of 56886121 is about 384.5936478351.

The spelling of 56886121 in words is "fifty-six million, eight hundred eighty-six thousand, one hundred twenty-one".

Divisors: 1 47 113 5311 10711 503417 1210343 56886121