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13703870 = 251780611
BaseRepresentation
bin110100010001…
…101010111110
3221210020011202
4310101222332
512002010440
61205415502
7224323655
oct64215276
927706152
1013703870
11780aa14
12470a592
132aba6cb
141b6a19c
15130a615
hexd11abe

13703870 has 16 divisors (see below), whose sum is σ = 26118288. Its totient is φ = 5159040.

The previous prime is 13703861. The next prime is 13703873. The reversal of 13703870 is 7830731.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13703873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40136 + ... + 40475.

It is an arithmetic number, because the mean of its divisors is an integer number (1632393).

Almost surely, 213703870 is an apocalyptic number.

13703870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13703870 is a deficient number, since it is larger than the sum of its proper divisors (12414418).

13703870 is a wasteful number, since it uses less digits than its factorization.

13703870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80635.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 13703870 is about 3701.8738498225. The cubic root of 13703870 is about 239.3027797183.

The spelling of 13703870 in words is "thirteen million, seven hundred three thousand, eight hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 80611 161222 403055 806110 1370387 2740774 6851935 13703870