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13779030 = 235459301
BaseRepresentation
bin110100100100…
…000001010110
3221221001021110
4310210001112
512011412110
61211155450
7225056046
oct64440126
927831243
1013779030
117861431
124745b86
132b15995
141b89726
151322a20
hexd24056

13779030 has 16 divisors (see below), whose sum is σ = 33069744. Its totient is φ = 3674400.

The previous prime is 13779013. The next prime is 13779043. The reversal of 13779030 is 3097731.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 459301 = 13779030 / (1 + 3 + 7 + 7 + 9 + 0 + 3 + 0).

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 7 ways as a sum of consecutive naturals, for example, 229621 + ... + 229680.

It is an arithmetic number, because the mean of its divisors is an integer number (2066859).

Almost surely, 213779030 is an apocalyptic number.

13779030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13779030 is an abundant number, since it is smaller than the sum of its proper divisors (19290714).

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

13779030 is a wasteful number, since it uses less digits than its factorization.

13779030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459311.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 13779030 is about 3712.0115840336. The cubic root of 13779030 is about 239.7394742398.

The spelling of 13779030 in words is "thirteen million, seven hundred seventy-nine thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 459301 918602 1377903 2296505 2755806 4593010 6889515 13779030