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11257392 = 243234529
BaseRepresentation
bin101010111100…
…011000110000
3210011221020110
4222330120300
510340214032
61041141320
7164454246
oct52743060
923157213
1011257392
116399933
12392a840
132441ca3
1416d0796
15ec57cc
hexabc630

11257392 has 20 divisors (see below), whose sum is σ = 29081720. Its totient is φ = 3752448.

The previous prime is 11257387. The next prime is 11257409. The reversal of 11257392 is 29375211.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117217 + ... + 117312.

It is an arithmetic number, because the mean of its divisors is an integer number (1454086).

Almost surely, 211257392 is an apocalyptic number.

11257392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11257392 is an abundant number, since it is smaller than the sum of its proper divisors (17824328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11257392 is a wasteful number, since it uses less digits than its factorization.

11257392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234540 (or 234534 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 11257392 is about 3355.2037195974. The cubic root of 11257392 is about 224.1193029443.

It can be divided in two parts, 11 and 257392, that added together give a triangular number (257403 = T717).

The spelling of 11257392 in words is "eleven million, two hundred fifty-seven thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 234529 469058 703587 938116 1407174 1876232 2814348 3752464 5628696 11257392