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11890884 = 2231952153
BaseRepresentation
bin101101010111…
…000011000100
3211101010020010
4231113003010
511021002014
61102510220
7203033205
oct55270304
924333203
1011890884
116791885
123b95370
132604435
1418175ac
15109d359
hexb570c4

11890884 has 24 divisors (see below), whose sum is σ = 29206240. Its totient is φ = 3754944.

The previous prime is 11890873. The next prime is 11890891. The reversal of 11890884 is 48809811.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 25849 + ... + 26304.

Almost surely, 211890884 is an apocalyptic number.

It is an amenable number.

11890884 is an abundant number, since it is smaller than the sum of its proper divisors (17315356).

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

11890884 is a wasteful number, since it uses less digits than its factorization.

11890884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52179 (or 52177 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 11890884 is about 3448.3161107996. The cubic root of 11890884 is about 228.2468087579.

The spelling of 11890884 in words is "eleven million, eight hundred ninety thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 52153 104306 156459 208612 312918 625836 990907 1981814 2972721 3963628 5945442 11890884