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11516660 = 2251930307
BaseRepresentation
bin101011111011…
…101011110100
3210200002212222
4223323223310
510422013120
61050501512
7166614161
oct53735364
923602788
1011516660
116556701
123a34898
132502cbc
14175b068
151027525
hexafbaf4

11516660 has 24 divisors (see below), whose sum is σ = 25458720. Its totient is φ = 4364064.

The previous prime is 11516581. The next prime is 11516663. The reversal of 11516660 is 6661511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516663) 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, 14774 + ... + 15533.

It is an arithmetic number, because the mean of its divisors is an integer number (1060780).

Almost surely, 211516660 is an apocalyptic number.

11516660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11516660 is an abundant number, since it is smaller than the sum of its proper divisors (13942060).

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

11516660 is a wasteful number, since it uses less digits than its factorization.

11516660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30335 (or 30333 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 11516660 is about 3393.6204855582. The cubic root of 11516660 is about 225.8268180138.

The spelling of 11516660 in words is "eleven million, five hundred sixteen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 30307 60614 121228 151535 303070 575833 606140 1151666 2303332 2879165 5758330 11516660