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11980992 = 26362401
BaseRepresentation
bin101101101101…
…000011000000
3211112200211110
4231231003000
511031342432
61104443320
7203560002
oct55550300
924480743
1011980992
116843551
124019540
13263645a
14183c372
1510b9dcc
hexb6d0c0

11980992 has 28 divisors (see below), whose sum is σ = 31700216. Its totient is φ = 3993600.

The previous prime is 11980987. The next prime is 11980993. The reversal of 11980992 is 29908911.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11980992.

It is not an unprimeable number, because it can be changed into a prime (11980993) 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, 31009 + ... + 31392.

Almost surely, 211980992 is an apocalyptic number.

11980992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11980992 is an abundant number, since it is smaller than the sum of its proper divisors (19719224).

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

11980992 is an equidigital number, since it uses as much as digits as its factorization.

11980992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62416 (or 62406 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 11980992 is about 3461.3569593441. The cubic root of 11980992 is about 228.8219028048.

The spelling of 11980992 in words is "eleven million, nine hundred eighty thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 62401 124802 187203 249604 374406 499208 748812 998416 1497624 1996832 2995248 3993664 5990496 11980992