Search a number
-
+
125265481 = 1147793067
BaseRepresentation
bin1110111011101…
…10011001001001
322201201010221021
413131312121021
5224031443411
620232512441
73050511325
oct735663111
9281633837
10125265481
11647888a0
1235b4b721
131cc4b7b3
14128ca985
15aee5a71
hex7776649

125265481 has 16 divisors (see below), whose sum is σ = 141373440. Its totient is φ = 110008080.

The previous prime is 125265479. The next prime is 125265487. The reversal of 125265481 is 184562521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125265481 - 21 = 125265479 is a prime.

It is a super-2 number, since 2×1252654812 = 31382881460322722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125265487) 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, 39310 + ... + 42376.

It is an arithmetic number, because the mean of its divisors is an integer number (8835840).

Almost surely, 2125265481 is an apocalyptic number.

125265481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125265481 is a deficient number, since it is larger than the sum of its proper divisors (16107959).

125265481 is a wasteful number, since it uses less digits than its factorization.

125265481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204.

The product of its digits is 19200, while the sum is 34.

The square root of 125265481 is about 11192.2062615018. The cubic root of 125265481 is about 500.3537243658.

The spelling of 125265481 in words is "one hundred twenty-five million, two hundred sixty-five thousand, four hundred eighty-one".

Divisors: 1 11 47 79 517 869 3067 3713 33737 40843 144149 242293 1585639 2665223 11387771 125265481