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11673988 = 227936943
BaseRepresentation
bin101100100010…
…000110000100
3210222002200221
4230202012010
510442031423
61054114124
7201140644
oct54420604
923862627
1011673988
116653927
123aab944
1325597b1
14179c524
151058e5d
hexb22184

11673988 has 12 divisors (see below), whose sum is σ = 20688640. Its totient is φ = 5762952.

The previous prime is 11673947. The next prime is 11673989. The reversal of 11673988 is 88937611.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11673989) 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, 18156 + ... + 18787.

Almost surely, 211673988 is an apocalyptic number.

It is an amenable number.

11673988 is a deficient number, since it is larger than the sum of its proper divisors (9014652).

11673988 is a wasteful number, since it uses less digits than its factorization.

11673988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37026 (or 37024 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 11673988 is about 3416.7218206930. The cubic root of 11673988 is about 226.8505034934.

The spelling of 11673988 in words is "eleven million, six hundred seventy-three thousand, nine hundred eighty-eight".

Divisors: 1 2 4 79 158 316 36943 73886 147772 2918497 5836994 11673988