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258152 = 2323261
BaseRepresentation
bin111111000001101000
3111010010012
4333001220
531230102
65311052
72123426
oct770150
9433105
10258152
11166a54
12105488
139066b
146a116
1551752
hex3f068

258152 has 24 divisors (see below), whose sum is σ = 514290. Its totient is φ = 121440.

The previous prime is 258143. The next prime is 258157. The reversal of 258152 is 251852.

258152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 256036 + 2116 = 506^2 + 46^2 .

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (258157) by changing a digit.

258152 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4202 + ... + 4262.

2258152 is an apocalyptic number.

It is an amenable number.

258152 is a deficient number, since it is larger than the sum of its proper divisors (256138).

258152 is a wasteful number, since it uses less digits than its factorization.

258152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 86 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 258152 is about 508.0866067906. The cubic root of 258152 is about 63.6734670453.

The spelling of 258152 in words is "two hundred fifty-eight thousand, one hundred fifty-two".

Divisors: 1 2 4 8 23 46 61 92 122 184 244 488 529 1058 1403 2116 2806 4232 5612 11224 32269 64538 129076 258152