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11893172 = 2213812153
BaseRepresentation
bin101101010111…
…100110110100
3211101020100212
4231113212310
511021040142
61102524552
7203042654
oct55274664
924336325
1011893172
116793575
123b96758
1326054a5
141818364
15109dd82
hexb579b4

11893172 has 12 divisors (see below), whose sum is σ = 20837796. Its totient is φ = 5939520.

The previous prime is 11893171. The next prime is 11893187. The reversal of 11893172 is 27139811.

It can be written as a sum of positive squares in 2 ways, for example, as 2808976 + 9084196 = 1676^2 + 3014^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11893171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4448 + ... + 6600.

It is an arithmetic number, because the mean of its divisors is an integer number (1736483).

Almost surely, 211893172 is an apocalyptic number.

It is an amenable number.

11893172 is a deficient number, since it is larger than the sum of its proper divisors (8944624).

11893172 is a wasteful number, since it uses less digits than its factorization.

11893172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538 (or 3536 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 11893172 is about 3448.6478509700. The cubic root of 11893172 is about 228.2614472884.

The spelling of 11893172 in words is "eleven million, eight hundred ninety-three thousand, one hundred seventy-two".

Divisors: 1 2 4 1381 2153 2762 4306 5524 8612 2973293 5946586 11893172