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11949312 = 28315559
BaseRepresentation
bin101101100101…
…010100000000
3211111002101010
4231211110000
511024334222
61104040520
7203365434
oct55452400
924432333
1011949312
116821771
124003140
132624bcb
1418309c4
1510b080c
hexb65500

11949312 has 36 divisors (see below), whose sum is σ = 31804640. Its totient is φ = 3982848.

The previous prime is 11949307. The next prime is 11949331. The reversal of 11949312 is 21394911.

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 a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 11949312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7012 + ... + 8547.

Almost surely, 211949312 is an apocalyptic number.

11949312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11949312 is an abundant number, since it is smaller than the sum of its proper divisors (19855328).

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

11949312 is an equidigital number, since it uses as much as digits as its factorization.

11949312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15578 (or 15564 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 11949312 is about 3456.7776902775. Note that the first 3 decimals coincide. The cubic root of 11949312 is about 228.6200420409.

The spelling of 11949312 in words is "eleven million, nine hundred forty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 15559 31118 46677 62236 93354 124472 186708 248944 373416 497888 746832 995776 1493664 1991552 2987328 3983104 5974656 11949312