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56888403 = 31113132607
BaseRepresentation
bin1101100100000…
…0110001010011
310222001020012220
43121000301103
5104030412103
65351152123
71260354255
oct331006123
9128036186
1056888403
112a126110
1217075643
13ba2a8a0
1477abcd5
154edac53
hex3640c53

56888403 has 16 divisors (see below), whose sum is σ = 89112576. Its totient is φ = 31825440.

The previous prime is 56888399. The next prime is 56888423. The reversal of 56888403 is 30488865.

It is not a de Polignac number, because 56888403 - 22 = 56888399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56888423) 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 15 ways as a sum of consecutive naturals, for example, 65875 + ... + 66732.

It is an arithmetic number, because the mean of its divisors is an integer number (5569536).

Almost surely, 256888403 is an apocalyptic number.

56888403 is a deficient number, since it is larger than the sum of its proper divisors (32224173).

56888403 is a wasteful number, since it uses less digits than its factorization.

56888403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132634.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 56888403 is about 7542.4401224007. The cubic root of 56888403 is about 384.5987904543.

It can be divided in two parts, 56888 and 403, that added together give a triangular number (57291 = T338).

The spelling of 56888403 in words is "fifty-six million, eight hundred eighty-eight thousand, four hundred three".

Divisors: 1 3 11 13 33 39 143 429 132607 397821 1458677 1723891 4376031 5171673 18962801 56888403