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11133925 = 521140487
BaseRepresentation
bin101010011110…
…001111100101
3202221122212121
4222132033211
510322241200
61034345541
7163431265
oct52361745
922848777
1011133925
1163150a0
12388b2b1
1323caa2a
14169b7a5
15e9de1a
hexa9e3e5

11133925 has 12 divisors (see below), whose sum is σ = 15061536. Its totient is φ = 8097200.

The previous prime is 11133923. The next prime is 11133931. The reversal of 11133925 is 52933111.

It is not a de Polignac number, because 11133925 - 21 = 11133923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11133925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133923) 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, 19969 + ... + 20518.

It is an arithmetic number, because the mean of its divisors is an integer number (1255128).

Almost surely, 211133925 is an apocalyptic number.

It is an amenable number.

11133925 is a deficient number, since it is larger than the sum of its proper divisors (3927611).

11133925 is a wasteful number, since it uses less digits than its factorization.

11133925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40508 (or 40503 counting only the distinct ones).

The product of its digits is 810, while the sum is 25.

The square root of 11133925 is about 3336.7536618696. The cubic root of 11133925 is about 223.2969359759.

The spelling of 11133925 in words is "eleven million, one hundred thirty-three thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 55 275 40487 202435 445357 1012175 2226785 11133925