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56105102 = 231229191
BaseRepresentation
bin1101011000000…
…1100010001110
310220120102201202
43112001202032
5103330330402
65322305502
71250612504
oct326014216
9126512652
1056105102
1129740659
1216958292
13b8151b1
147646674
154dd3b02
hex358188e

56105102 has 12 divisors (see below), whose sum is σ = 86962968. Its totient is φ = 27146700.

The previous prime is 56105087. The next prime is 56105131. The reversal of 56105102 is 20150165.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 12674 + ... + 16517.

It is an arithmetic number, because the mean of its divisors is an integer number (7246914).

Almost surely, 256105102 is an apocalyptic number.

56105102 is a deficient number, since it is larger than the sum of its proper divisors (30857866).

56105102 is a wasteful number, since it uses less digits than its factorization.

56105102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29255 (or 29224 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 56105102 is about 7490.3339044398. Note that the first 3 decimals coincide. The cubic root of 56105102 is about 382.8254356545.

Adding to 56105102 its reverse (20150165), we get a palindrome (76255267).

The spelling of 56105102 in words is "fifty-six million, one hundred five thousand, one hundred two".

Divisors: 1 2 31 62 961 1922 29191 58382 904921 1809842 28052551 56105102