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5157870 = 235171929
BaseRepresentation
bin10011101011001111101110
3100201001021020
4103223033232
52310022440
6302315010
761561344
oct23531756
910631236
105157870
112a03203
121888a66
1310b78c3
14983994
156bd3d0
hex4eb3ee

5157870 has 16 divisors (see below), whose sum is σ = 12378960. Its totient is φ = 1375424.

The previous prime is 5157857. The next prime is 5157877. The reversal of 5157870 is 787515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5157877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85935 + ... + 85994.

It is an arithmetic number, because the mean of its divisors is an integer number (773685).

Almost surely, 25157870 is an apocalyptic number.

5157870 is an abundant number, since it is smaller than the sum of its proper divisors (7221090).

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

5157870 is a wasteful number, since it uses less digits than its factorization.

5157870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171939.

The product of its (nonzero) digits is 9800, while the sum is 33.

The square root of 5157870 is about 2271.0944498193. The cubic root of 5157870 is about 172.7786716003.

It can be divided in two parts, 515 and 7870, that added together give a triangular number (8385 = T129).

The spelling of 5157870 in words is "five million, one hundred fifty-seven thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 171929 343858 515787 859645 1031574 1719290 2578935 5157870