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56103979 = 194676323
BaseRepresentation
bin1101011000000…
…1010000101011
310220120101012011
43112001100223
5103330311404
65322300351
71250606311
oct326012053
9126511164
1056103979
112973a828
12169576b7
13b814829
1476460b1
154dd3604
hex358142b

56103979 has 8 divisors (see below), whose sum is σ = 59192640. Its totient is φ = 53028936.

The previous prime is 56103977. The next prime is 56104003. The reversal of 56103979 is 97930165.

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 56103979 - 21 = 56103977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56103973) 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, 5712 + ... + 12034.

It is an arithmetic number, because the mean of its divisors is an integer number (7399080).

Almost surely, 256103979 is an apocalyptic number.

56103979 is a deficient number, since it is larger than the sum of its proper divisors (3088661).

56103979 is a wasteful number, since it uses less digits than its factorization.

56103979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6809.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 56103979 is about 7490.2589407844. The cubic root of 56103979 is about 382.8228814255.

The spelling of 56103979 in words is "fifty-six million, one hundred three thousand, nine hundred seventy-nine".

Divisors: 1 19 467 6323 8873 120137 2952841 56103979