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13869370 = 253533929
BaseRepresentation
bin110100111010…
…000100111010
3222002122012101
4310322010322
512022304440
61213134014
7225613324
oct64720472
928078171
1013869370
117913299
12478a30a
132b47b38
141bb0614
15133e69a
hexd3a13a

13869370 has 16 divisors (see below), whose sum is σ = 25041960. Its totient is φ = 5530624.

The previous prime is 13869347. The next prime is 13869377. The reversal of 13869370 is 7396831.

13869370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7969329 + 5900041 = 2823^2 + 2429^2 .

It is not an unprimeable number, because it can be changed into a prime (13869377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566 + ... + 5494.

Almost surely, 213869370 is an apocalyptic number.

13869370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13869370 is a deficient number, since it is larger than the sum of its proper divisors (11172590).

13869370 is a wasteful number, since it uses less digits than its factorization.

13869370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13869370 is about 3724.1603080426. The cubic root of 13869370 is about 240.2622711570.

The spelling of 13869370 in words is "thirteen million, eight hundred sixty-nine thousand, three hundred seventy".

Divisors: 1 2 5 10 353 706 1765 3530 3929 7858 19645 39290 1386937 2773874 6934685 13869370