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56987102 = 228493551
BaseRepresentation
bin1101100101100…
…0110111011110
310222020020121102
43121120313132
5104042041402
65353233102
71261245104
oct331306736
9128206542
1056987102
112a193287
1217102792
13ba637a3
1477d5c74
15500a102
hex3658dde

56987102 has 4 divisors (see below), whose sum is σ = 85480656. Its totient is φ = 28493550.

The previous prime is 56987093. The next prime is 56987107. The reversal of 56987102 is 20178965.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56987107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14246774 + ... + 14246777.

It is an arithmetic number, because the mean of its divisors is an integer number (21370164).

Almost surely, 256987102 is an apocalyptic number.

56987102 is a deficient number, since it is larger than the sum of its proper divisors (28493554).

56987102 is a wasteful number, since it uses less digits than its factorization.

56987102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28493553.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 56987102 is about 7548.9801960265. The cubic root of 56987102 is about 384.8210828867.

The spelling of 56987102 in words is "fifty-six million, nine hundred eighty-seven thousand, one hundred two".

Divisors: 1 2 28493551 56987102