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13845957 = 343181593
BaseRepresentation
bin110100110100…
…010111000101
3222001110002020
4310310113011
512021032312
61212433353
7225455136
oct64642705
928043066
1013845957
1178a7744
124778859
132b3a298
141ba5c8d
15133778c
hexd345c5

13845957 has 16 divisors (see below), whose sum is σ = 19027008. Its totient is φ = 8951040.

The previous prime is 13845947. The next prime is 13845961. The reversal of 13845957 is 75954831.

13845957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13845957 - 24 = 13845941 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13845917) 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, 23053 + ... + 23645.

It is an arithmetic number, because the mean of its divisors is an integer number (1189188).

Almost surely, 213845957 is an apocalyptic number.

It is an amenable number.

13845957 is a deficient number, since it is larger than the sum of its proper divisors (5181051).

13845957 is a wasteful number, since it uses less digits than its factorization.

13845957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its digits is 151200, while the sum is 42.

The square root of 13845957 is about 3721.0155871751. The cubic root of 13845957 is about 240.1269987575.

The spelling of 13845957 in words is "thirteen million, eight hundred forty-five thousand, nine hundred fifty-seven".

Divisors: 1 3 43 129 181 543 593 1779 7783 23349 25499 76497 107333 321999 4615319 13845957