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258201 = 3373131
BaseRepresentation
bin111111000010011001
3111010012000
4333002121
531230301
65311213
72123526
oct770231
9433160
10258201
11166a99
12105509
13906a8
146a14d
1551786
hex3f099

258201 has 16 divisors (see below), whose sum is σ = 390720. Its totient is φ = 168480.

The previous prime is 258197. The next prime is 258211. The reversal of 258201 is 102852.

It is not a de Polignac number, because 258201 - 22 = 258197 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (258211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1906 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (24420).

2258201 is an apocalyptic number.

It is an amenable number.

258201 is a deficient number, since it is larger than the sum of its proper divisors (132519).

258201 is a wasteful number, since it uses less digits than its factorization.

258201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 258201 is about 508.1348246283. The cubic root of 258201 is about 63.6774954245.

The spelling of 258201 in words is "two hundred fifty-eight thousand, two hundred one".

Divisors: 1 3 9 27 73 131 219 393 657 1179 1971 3537 9563 28689 86067 258201