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13642896 = 243284227
BaseRepresentation
bin110100000010…
…110010010000
3221200010112110
4310002302100
511443033041
61204225320
7223651131
oct64026220
927603473
1013642896
117779123
12469b240
132a98a27
141b51c88
1512e7516
hexd02c90

13642896 has 20 divisors (see below), whose sum is σ = 35244272. Its totient is φ = 4547616.

The previous prime is 13642879. The next prime is 13642901. The reversal of 13642896 is 69824631.

It is a super-2 number, since 2×136428962 = 372257222533632, which contains 22 as substring.

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, 142066 + ... + 142161.

Almost surely, 213642896 is an apocalyptic number.

13642896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13642896 is an abundant number, since it is smaller than the sum of its proper divisors (21601376).

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

13642896 is a wasteful number, since it uses less digits than its factorization.

13642896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284238 (or 284232 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 13642896 is about 3693.6291096969. The cubic root of 13642896 is about 238.9473340885.

The spelling of 13642896 in words is "thirteen million, six hundred forty-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 284227 568454 852681 1136908 1705362 2273816 3410724 4547632 6821448 13642896