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11693980 = 225584699
BaseRepresentation
bin101100100110…
…111110011100
3211000010010101
4230212332130
510443201410
61054350444
7201253144
oct54467634
924003111
1011693980
116667951
123abb424
13256591c
1417a5924
15105ed3a
hexb26f9c

11693980 has 12 divisors (see below), whose sum is σ = 24557400. Its totient is φ = 4677584.

The previous prime is 11693963. The next prime is 11694013. The reversal of 11693980 is 8939611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292330 + ... + 292369.

It is an arithmetic number, because the mean of its divisors is an integer number (2046450).

Almost surely, 211693980 is an apocalyptic number.

11693980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11693980 is an abundant number, since it is smaller than the sum of its proper divisors (12863420).

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

11693980 is a wasteful number, since it uses less digits than its factorization.

11693980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584708 (or 584706 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11693980 is about 3419.6461805280. The cubic root of 11693980 is about 226.9799253855.

The spelling of 11693980 in words is "eleven million, six hundred ninety-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 584699 1169398 2338796 2923495 5846990 11693980