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13385406 = 238392659
BaseRepresentation
bin110011000011…
…111010111110
3221012001022210
4303003322332
511411313111
61154521250
7221526336
oct63037276
927161283
1013385406
117612721
124596226
132a08778
141ac60c6
1512960a6
hexcc3ebe

13385406 has 16 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 4454808.

The previous prime is 13385401. The next prime is 13385423. The reversal of 13385406 is 60458331.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13385401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3705 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (1675800).

Almost surely, 213385406 is an apocalyptic number.

13385406 is an abundant number, since it is smaller than the sum of its proper divisors (13427394).

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

13385406 is a wasteful number, since it uses less digits than its factorization.

13385406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 13385406 is about 3658.6071120031. The cubic root of 13385406 is about 237.4345141706.

The spelling of 13385406 in words is "thirteen million, three hundred eighty-five thousand, four hundred six".

Divisors: 1 2 3 6 839 1678 2517 2659 5034 5318 7977 15954 2230901 4461802 6692703 13385406