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13695980 = 225684799
BaseRepresentation
bin110100001111…
…101111101100
3221202211100112
4310033233230
512001232410
61205315152
7224261654
oct64175754
927684315
1013695980
117804aa1
124705ab8
132ab6c3c
141b67364
151308105
hexd0fbec

13695980 has 12 divisors (see below), whose sum is σ = 28761600. Its totient is φ = 5478384.

The previous prime is 13695961. The next prime is 13696019. The reversal of 13695980 is 8959631.

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, 342380 + ... + 342419.

It is an arithmetic number, because the mean of its divisors is an integer number (2396800).

Almost surely, 213695980 is an apocalyptic number.

13695980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13695980 is an abundant number, since it is smaller than the sum of its proper divisors (15065620).

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

13695980 is a wasteful number, since it uses less digits than its factorization.

13695980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684808 (or 684806 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 13695980 is about 3700.8080198789. The cubic root of 13695980 is about 239.2568447280.

The spelling of 13695980 in words is "thirteen million, six hundred ninety-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 684799 1369598 2739196 3423995 6847990 13695980