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11425731 = 38942793
BaseRepresentation
bin101011100101…
…011111000011
3210111111011020
4223211133003
510411110411
61044520523
7166055112
oct53453703
923444136
1011425731
1164a4359
1239b0143
1324a07b5
141735c79
15100a606
hexae57c3

11425731 has 8 divisors (see below), whose sum is σ = 15405840. Its totient is φ = 7531392.

The previous prime is 11425721. The next prime is 11425753. The reversal of 11425731 is 13752411.

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

It is not a de Polignac number, because 11425731 - 211 = 11423683 is a prime.

It is a super-2 number, since 2×114257312 = 261094657768722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11425721) 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, 21130 + ... + 21663.

It is an arithmetic number, because the mean of its divisors is an integer number (1925730).

Almost surely, 211425731 is an apocalyptic number.

11425731 is a deficient number, since it is larger than the sum of its proper divisors (3980109).

11425731 is an equidigital number, since it uses as much as digits as its factorization.

11425731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42885.

The product of its digits is 840, while the sum is 24.

The square root of 11425731 is about 3380.1968877567. The cubic root of 11425731 is about 225.2309135537.

The spelling of 11425731 in words is "eleven million, four hundred twenty-five thousand, seven hundred thirty-one".

Divisors: 1 3 89 267 42793 128379 3808577 11425731