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11357680 = 245141971
BaseRepresentation
bin101011010100…
…110111110000
3210101000210211
4223110313300
510401421210
61043233504
7165352525
oct53246760
923330724
1011357680
116458214
123978894
132478829
14171914c
15ee538a
hexad4df0

11357680 has 20 divisors (see below), whose sum is σ = 26406792. Its totient is φ = 4543040.

The previous prime is 11357669. The next prime is 11357701. The reversal of 11357680 is 8675311.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70906 + ... + 71065.

Almost surely, 211357680 is an apocalyptic number.

11357680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11357680 is an abundant number, since it is smaller than the sum of its proper divisors (15049112).

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

11357680 is a wasteful number, since it uses less digits than its factorization.

11357680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141984 (or 141978 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 11357680 is about 3370.1157250160. The cubic root of 11357680 is about 224.7828687190.

The spelling of 11357680 in words is "eleven million, three hundred fifty-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 141971 283942 567884 709855 1135768 1419710 2271536 2839420 5678840 11357680