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56105930 = 255610593
BaseRepresentation
bin1101011000000…
…1101111001010
310220120110212102
43112001233022
5103330342210
65322313402
71250615066
oct326015712
9126513772
1056105930
1129741241
1216958862
13b81569a
147646aa6
154dd3ea5
hex3581bca

56105930 has 8 divisors (see below), whose sum is σ = 100990692. Its totient is φ = 22442368.

The previous prime is 56105911. The next prime is 56105941. The reversal of 56105930 is 3950165.

56105930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53743561 + 2362369 = 7331^2 + 1537^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 56105893 and 56105902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805287 + ... + 2805306.

Almost surely, 256105930 is an apocalyptic number.

56105930 is a deficient number, since it is larger than the sum of its proper divisors (44884762).

56105930 is a wasteful number, since it uses less digits than its factorization.

56105930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610600.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 56105930 is about 7490.3891754701. The cubic root of 56105930 is about 382.8273188932.

The spelling of 56105930 in words is "fifty-six million, one hundred five thousand, nine hundred thirty".

Divisors: 1 2 5 10 5610593 11221186 28052965 56105930