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56870346 = 23131275741
BaseRepresentation
bin1101100011110…
…0010111001010
310222000022110010
43120330113022
5104024322341
65350532350
71260250521
oct330742712
9128008403
1056870346
112a113595
12170670b6
13ba225c0
1477a54b8
154ed5716
hex363c5ca

56870346 has 32 divisors (see below), whose sum is σ = 123475968. Its totient is φ = 17357760.

The previous prime is 56870339. The next prime is 56870353. The reversal of 56870346 is 64307865.

It is an interprime number because it is at equal distance from previous prime (56870339) and next prime (56870353).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7036 + ... + 12776.

It is an arithmetic number, because the mean of its divisors is an integer number (3858624).

Almost surely, 256870346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56870346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61737984).

56870346 is an abundant number, since it is smaller than the sum of its proper divisors (66605622).

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

56870346 is a wasteful number, since it uses less digits than its factorization.

56870346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 56870346 is about 7541.2430009913. The cubic root of 56870346 is about 384.5580941970.

The spelling of 56870346 in words is "fifty-six million, eight hundred seventy thousand, three hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 127 254 381 762 1651 3302 4953 5741 9906 11482 17223 34446 74633 149266 223899 447798 729107 1458214 2187321 4374642 9478391 18956782 28435173 56870346