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13813370 = 251381337
BaseRepresentation
bin110100101100…
…011001111010
3221222210101022
4310230121322
512014011440
61212022442
7225261134
oct64543172
927883338
1013813370
11788520a
124761a22
132b284bc
141b98054
15132ccb5
hexd2c67a

13813370 has 8 divisors (see below), whose sum is σ = 24864084. Its totient is φ = 5525344.

The previous prime is 13813369. The next prime is 13813411. The reversal of 13813370 is 7331831.

It can be written as a sum of positive squares in 2 ways, for example, as 13126129 + 687241 = 3623^2 + 829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 690659 + ... + 690678.

Almost surely, 213813370 is an apocalyptic number.

13813370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13813370 is a deficient number, since it is larger than the sum of its proper divisors (11050714).

13813370 is a wasteful number, since it uses less digits than its factorization.

13813370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381344.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13813370 is about 3716.6342300528. The cubic root of 13813370 is about 239.9384680219.

The spelling of 13813370 in words is "thirteen million, eight hundred thirteen thousand, three hundred seventy".

Divisors: 1 2 5 10 1381337 2762674 6906685 13813370