Search a number
-
+
125740747 = 1123496999
BaseRepresentation
bin1110111111010…
…10011011001011
322202121021212201
413133222123023
5224142200442
620251021031
73054531046
oct737523313
9282537781
10125740747
1164a82980
123613a777
1320086c12
14129b1c5d
15b08b7b7
hex77ea6cb

125740747 has 8 divisors (see below), whose sum is σ = 143136000. Its totient is φ = 109339560.

The previous prime is 125740739. The next prime is 125740757. The reversal of 125740747 is 747047521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125740747 - 23 = 125740739 is a prime.

It is a super-2 number, since 2×1257407472 = 31621470912236018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125740717) 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, 248247 + ... + 248752.

It is an arithmetic number, because the mean of its divisors is an integer number (17892000).

Almost surely, 2125740747 is an apocalyptic number.

125740747 is a deficient number, since it is larger than the sum of its proper divisors (17395253).

125740747 is a wasteful number, since it uses less digits than its factorization.

125740747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497033.

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 125740747 is about 11213.4181675348. The cubic root of 125740747 is about 500.9857181093.

The spelling of 125740747 in words is "one hundred twenty-five million, seven hundred forty thousand, seven hundred forty-seven".

Divisors: 1 11 23 253 496999 5466989 11430977 125740747