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13693290 = 2351335111
BaseRepresentation
bin110100001111…
…000101101010
3221202200122220
4310033011222
512001141130
61205254510
7224251062
oct64170552
927680586
1013693290
117802a76
124704436
132ab5950
141b663a2
151307410
hexd0f16a

13693290 has 32 divisors (see below), whose sum is σ = 35392896. Its totient is φ = 3370560.

The previous prime is 13693283. The next prime is 13693291. The reversal of 13693290 is 9239631.

13693290 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13693291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17166 + ... + 17945.

It is an arithmetic number, because the mean of its divisors is an integer number (1106028).

Almost surely, 213693290 is an apocalyptic number.

13693290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13693290 is an abundant number, since it is smaller than the sum of its proper divisors (21699606).

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

13693290 is a wasteful number, since it uses less digits than its factorization.

13693290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35134.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 13693290 is about 3700.4445678864. Note that the first 3 decimals coincide. The cubic root of 13693290 is about 239.2411797165.

The spelling of 13693290 in words is "thirteen million, six hundred ninety-three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 35111 70222 105333 175555 210666 351110 456443 526665 912886 1053330 1369329 2282215 2738658 4564430 6846645 13693290