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252474 = 23291451
BaseRepresentation
bin111101101000111010
3110211022220
4331220322
531034344
65224510
72101035
oct755072
9424286
10252474
11162762
12102136
138abc1
146801c
154ec19
hex3da3a

252474 has 16 divisors (see below), whose sum is σ = 522720. Its totient is φ = 81200.

The previous prime is 252463. The next prime is 252481. The reversal of 252474 is 474252.

It is a congruent number.

It is an unprimeable number.

252474 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (32670).

2252474 is an apocalyptic number.

252474 is an abundant number, since it is smaller than the sum of its proper divisors (270246).

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

252474 is a wasteful number, since it uses less digits than its factorization.

252474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485.

The product of its digits is 2240, while the sum is 24.

The square root of 252474 is about 502.4679094231. The cubic root of 252474 is about 63.2031737444.

The spelling of 252474 in words is "two hundred fifty-two thousand, four hundred seventy-four".

Divisors: 1 2 3 6 29 58 87 174 1451 2902 4353 8706 42079 84158 126237 252474