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13695240 = 2335138779
BaseRepresentation
bin110100001111…
…100100001000
3221202210100010
4310033210020
512001221430
61205311520
7224256546
oct64174410
927683303
1013695240
117804489
1247055a0
132ab67c0
141b66d96
151307cb0
hexd0f908

13695240 has 64 divisors (see below), whose sum is σ = 44251200. Its totient is φ = 3370752.

The previous prime is 13695229. The next prime is 13695263. The reversal of 13695240 is 4259631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13695198 and 13695207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2830 + ... + 5949.

It is an arithmetic number, because the mean of its divisors is an integer number (691425).

Almost surely, 213695240 is an apocalyptic number.

13695240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13695240 is an abundant number, since it is smaller than the sum of its proper divisors (30555960).

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

13695240 is a wasteful number, since it uses less digits than its factorization.

13695240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806 (or 8802 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13695240 is about 3700.7080403620. The cubic root of 13695240 is about 239.2525355985.

The spelling of 13695240 in words is "thirteen million, six hundred ninety-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 8779 17558 26337 35116 43895 52674 70232 87790 105348 114127 131685 175580 210696 228254 263370 342381 351160 456508 526740 570635 684762 913016 1053480 1141270 1369524 1711905 2282540 2739048 3423810 4565080 6847620 13695240