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11620660 = 2253118743
BaseRepresentation
bin101100010101…
…000100110100
3210212101112211
4230111010310
510433330120
61053023204
7200526322
oct54250464
923771484
1011620660
116617857
123a84b04
13253b43c
141786d12
15104825a
hexb15134

11620660 has 24 divisors (see below), whose sum is σ = 25191936. Its totient is φ = 4498080.

The previous prime is 11620649. The next prime is 11620667. The reversal of 11620660 is 6602611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8752 + ... + 9991.

It is an arithmetic number, because the mean of its divisors is an integer number (1049664).

Almost surely, 211620660 is an apocalyptic number.

11620660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11620660 is an abundant number, since it is smaller than the sum of its proper divisors (13571276).

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

11620660 is a wasteful number, since it uses less digits than its factorization.

11620660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18783 (or 18781 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 11620660 is about 3408.9089163543. The cubic root of 11620660 is about 226.5045505537.

The spelling of 11620660 in words is "eleven million, six hundred twenty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 18743 37486 74972 93715 187430 374860 581033 1162066 2324132 2905165 5810330 11620660