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153906 = 23113227
BaseRepresentation
bin100101100100110010
321211010020
4211210302
514411111
63144310
71210464
oct454462
9254106
10153906
11a56a5
1275096
135508c
1440134
1530906
hex25932

153906 has 16 divisors (see below), whose sum is σ = 311904. Its totient is φ = 50624.

The previous prime is 153889. The next prime is 153911. The reversal of 153906 is 609351.

It is an unprimeable number.

153906 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 7 ways as a sum of consecutive naturals, for example, 565 + ... + 791.

It is an arithmetic number, because the mean of its divisors is an integer number (19494).

2153906 is an apocalyptic number.

153906 is an abundant number, since it is smaller than the sum of its proper divisors (157998).

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

153906 is a wasteful number, since it uses less digits than its factorization.

153906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 153906 is about 392.3085520353. The cubic root of 153906 is about 53.5901760417.

The spelling of 153906 in words is "one hundred fifty-three thousand, nine hundred six".

Divisors: 1 2 3 6 113 226 227 339 454 678 681 1362 25651 51302 76953 153906