Search a number
-
+
13955725 = 527174691
BaseRepresentation
bin110101001111…
…001010001101
3222021000122201
4311033022031
512033040400
61215041501
7226423150
oct65171215
928230581
1013955725
117972163
124810291
132b78234
141bd3c97
15135a06a
hexd4f28d

13955725 has 24 divisors (see below), whose sum is σ = 20945088. Its totient is φ = 9004800.

The previous prime is 13955719. The next prime is 13955743. The reversal of 13955725 is 52755931.

It is a happy number.

It is not a de Polignac number, because 13955725 - 23 = 13955717 is a prime.

13955725 is a Rhonda number in base 10.

Its product of digits (47250) is a multiple of the sum of its prime factors (4725).

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 23 ways as a sum of consecutive naturals, for example, 630 + ... + 5320.

It is an arithmetic number, because the mean of its divisors is an integer number (872712).

Almost surely, 213955725 is an apocalyptic number.

It is an amenable number.

13955725 is a deficient number, since it is larger than the sum of its proper divisors (6989363).

13955725 is a wasteful number, since it uses less digits than its factorization.

13955725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725 (or 4720 counting only the distinct ones).

The product of its digits is 47250, while the sum is 37.

The square root of 13955725 is about 3735.7362058903. The cubic root of 13955725 is about 240.7598889510.

The spelling of 13955725 in words is "thirteen million, nine hundred fifty-five thousand, seven hundred twenty-five".

Divisors: 1 5 7 17 25 35 85 119 175 425 595 2975 4691 23455 32837 79747 117275 164185 398735 558229 820925 1993675 2791145 13955725