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56849910 = 23513211213
BaseRepresentation
bin1101100011011…
…1010111110110
310221222021102020
43120313113312
5104023144120
65350254010
71260134115
oct330672766
9127867366
1056849910
112a0aa1a7
1217057306
13ba16200
14779bc7c
154ece640
hex36375f6

56849910 has 48 divisors (see below), whose sum is σ = 147755664. Its totient is φ = 13992576.

The previous prime is 56849893. The next prime is 56849917. The reversal of 56849910 is 1994865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56849917) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 537 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (3078243).

Almost surely, 256849910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56849910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73877832).

56849910 is an abundant number, since it is smaller than the sum of its proper divisors (90905754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56849910 is a wasteful number, since it uses less digits than its factorization.

56849910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11249 (or 11236 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 56849910 is about 7539.8879302016. The cubic root of 56849910 is about 384.5120258368.

The spelling of 56849910 in words is "fifty-six million, eight hundred forty-nine thousand, nine hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 1014 1690 2535 5070 11213 22426 33639 56065 67278 112130 145769 168195 291538 336390 437307 728845 874614 1457690 1894997 2186535 3789994 4373070 5684991 9474985 11369982 18949970 28424955 56849910