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13704870 = 235617489
BaseRepresentation
bin110100010001…
…111010100110
3221210021112210
4310101322212
512002023440
61205424250
7224326614
oct64217246
927707483
1013704870
117810743
12470b086
132abacba
141b6a6b4
15130aa80
hexd11ea6

13704870 has 32 divisors (see below), whose sum is σ = 33435360. Its totient is φ = 3594240.

The previous prime is 13704869. The next prime is 13704893. The reversal of 13704870 is 7840731.

It is a happy number.

13704870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

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, 1915 + ... + 5574.

It is an arithmetic number, because the mean of its divisors is an integer number (1044855).

Almost surely, 213704870 is an apocalyptic number.

13704870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13704870 is an abundant number, since it is smaller than the sum of its proper divisors (19730490).

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

13704870 is a wasteful number, since it uses less digits than its factorization.

13704870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 13704870 is about 3702.0089140898. The cubic root of 13704870 is about 239.3086003845.

The spelling of 13704870 in words is "thirteen million, seven hundred four thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 366 610 915 1830 7489 14978 22467 37445 44934 74890 112335 224670 456829 913658 1370487 2284145 2740974 4568290 6852435 13704870