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252870 = 2358429
BaseRepresentation
bin111101101111000110
3110211212120
4331233012
531042440
65230410
72102142
oct755706
9424776
10252870
11162a92
12102406
138b137
1468222
154edd0
hex3dbc6

252870 has 16 divisors (see below), whose sum is σ = 606960. Its totient is φ = 67424.

The previous prime is 252869. The next prime is 252877. The reversal of 252870 is 78252.

It is a d-powerful number, because it can be written as 29 + 55 + 83 + 217 + 76 + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 252870.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252870.

It is not an unprimeable number, because it can be changed into a prime (252877) 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, 4185 + ... + 4244.

It is an arithmetic number, because the mean of its divisors is an integer number (37935).

2252870 is an apocalyptic number.

252870 is an abundant number, since it is smaller than the sum of its proper divisors (354090).

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

252870 is a wasteful number, since it uses less digits than its factorization.

252870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 252870 is about 502.8618100433. The cubic root of 252870 is about 63.2362007527.

The spelling of 252870 in words is "two hundred fifty-two thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 8429 16858 25287 42145 50574 84290 126435 252870