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11425131 = 3547017
BaseRepresentation
bin101011100101…
…010101101011
3210111110100000
4223211111223
510411101011
61044514043
7166053264
oct53452553
923443300
1011425131
1164a3963
1239ab923
1324a0443
14173596b
15100a356
hexae556b

11425131 has 12 divisors (see below), whose sum is σ = 17114552. Its totient is φ = 7616592.

The previous prime is 11425123. The next prime is 11425133. The reversal of 11425131 is 13152411.

It is not a de Polignac number, because 11425131 - 23 = 11425123 is a prime.

It is a super-2 number, since 2×114251312 = 261067236734322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11425133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23266 + ... + 23751.

Almost surely, 211425131 is an apocalyptic number.

11425131 is a deficient number, since it is larger than the sum of its proper divisors (5689421).

11425131 is an frugal number, since it uses more digits than its factorization.

11425131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47032 (or 47020 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11425131 is about 3380.1081343649. The cubic root of 11425131 is about 225.2269709638.

Adding to 11425131 its reverse (13152411), we get a palindrome (24577542).

The spelling of 11425131 in words is "eleven million, four hundred twenty-five thousand, one hundred thirty-one".

Divisors: 1 3 9 27 81 243 47017 141051 423153 1269459 3808377 11425131