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258070 = 25131197
BaseRepresentation
bin111111000000010110
3111010000011
4333000112
531224240
65310434
72123251
oct770026
9433004
10258070
1116698a
1210541a
1390607
146a098
15516ea
hex3f016

258070 has 16 divisors (see below), whose sum is σ = 470448. Its totient is φ = 101920.

The previous prime is 258067. The next prime is 258101. The reversal of 258070 is 70852.

258070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 258070.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212 + ... + 1408.

It is an arithmetic number, because the mean of its divisors is an integer number (29403).

2258070 is an apocalyptic number.

258070 is a deficient number, since it is larger than the sum of its proper divisors (212378).

258070 is a wasteful number, since it uses less digits than its factorization.

258070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 258070 is about 508.0059054775. The cubic root of 258070 is about 63.6667245354. Note that the first 3 decimals are identical.

The spelling of 258070 in words is "two hundred fifty-eight thousand, seventy".

Divisors: 1 2 5 10 131 197 262 394 655 985 1310 1970 25807 51614 129035 258070