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13803070 = 251380307
BaseRepresentation
bin110100101001…
…111000111110
3221222021020211
4310221320332
512013144240
61211503034
7225216121
oct64517076
927867224
1013803070
1178784a6
124757a7a
132b238c8
141b943b8
151329bea
hexd29e3e

13803070 has 8 divisors (see below), whose sum is σ = 24845544. Its totient is φ = 5521224.

The previous prime is 13803067. The next prime is 13803073. The reversal of 13803070 is 7030831.

It is an interprime number because it is at equal distance from previous prime (13803067) and next prime (13803073).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13803073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690144 + ... + 690163.

It is an arithmetic number, because the mean of its divisors is an integer number (3105693).

Almost surely, 213803070 is an apocalyptic number.

13803070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13803070 is a deficient number, since it is larger than the sum of its proper divisors (11042474).

13803070 is a wasteful number, since it uses less digits than its factorization.

13803070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380314.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 13803070 is about 3715.2483093328. The cubic root of 13803070 is about 239.8788161354.

The spelling of 13803070 in words is "thirteen million, eight hundred three thousand, seventy".

Divisors: 1 2 5 10 1380307 2760614 6901535 13803070