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56816630 = 2513735987
BaseRepresentation
bin1101100010111…
…1001111110110
310221220120202122
43120233033312
5104021113010
65345435542
71256635103
oct330571766
9127816678
1056816630
112a0871a2
121703bbb2
13ba04010
14778daaa
154ec4855
hex362f3f6

56816630 has 32 divisors (see below), whose sum is σ = 111664224. Its totient is φ = 20687616.

The previous prime is 56816629. The next prime is 56816651. The reversal of 56816630 is 3661865.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6497 + ... + 12483.

It is an arithmetic number, because the mean of its divisors is an integer number (3489507).

Almost surely, 256816630 is an apocalyptic number.

56816630 is a deficient number, since it is larger than the sum of its proper divisors (54847594).

56816630 is a wasteful number, since it uses less digits than its factorization.

56816630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 56816630 is about 7537.6806777682. The cubic root of 56816630 is about 384.4369799363.

The spelling of 56816630 in words is "fifty-six million, eight hundred sixteen thousand, six hundred thirty".

Divisors: 1 2 5 10 13 26 65 73 130 146 365 730 949 1898 4745 5987 9490 11974 29935 59870 77831 155662 389155 437051 778310 874102 2185255 4370510 5681663 11363326 28408315 56816630