[go: up one dir, main page]

Search a number
-
+
13901525 = 521150551
BaseRepresentation
bin110101000001…
…111011010101
3222011021022022
4311001323111
512024322100
61213542525
7226106141
oct65017325
928137268
1013901525
117935470
1247a4a45
132b59671
141bbc221
151348e85
hexd41ed5

13901525 has 12 divisors (see below), whose sum is σ = 18805344. Its totient is φ = 10110000.

The previous prime is 13901509. The next prime is 13901549. The reversal of 13901525 is 52510931.

It is not a de Polignac number, because 13901525 - 24 = 13901509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13901494 and 13901503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25001 + ... + 25550.

It is an arithmetic number, because the mean of its divisors is an integer number (1567112).

Almost surely, 213901525 is an apocalyptic number.

It is an amenable number.

13901525 is a deficient number, since it is larger than the sum of its proper divisors (4903819).

13901525 is a wasteful number, since it uses less digits than its factorization.

13901525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50572 (or 50567 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 13901525 is about 3728.4748892811. The cubic root of 13901525 is about 240.4478039916.

The spelling of 13901525 in words is "thirteen million, nine hundred one thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 50551 252755 556061 1263775 2780305 13901525