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13678030 = 2517611319
BaseRepresentation
bin110100001011…
…010111001110
3221201220201201
4310023113032
512000144110
61205100114
7224155432
oct64132716
927656651
1013678030
1177a2563
1246b763a
132aaba12
141b609c2
151302b3a
hexd0b5ce

13678030 has 32 divisors (see below), whose sum is σ = 26516160. Its totient is φ = 5061120.

The previous prime is 13678003. The next prime is 13678057. The reversal of 13678030 is 3087631.

It is an interprime number because it is at equal distance from previous prime (13678003) and next prime (13678057).

It is a self number, because there is not a number n which added to its sum of digits gives 13678030.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9711 + ... + 11029.

It is an arithmetic number, because the mean of its divisors is an integer number (828630).

Almost surely, 213678030 is an apocalyptic number.

13678030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13678030 is a deficient number, since it is larger than the sum of its proper divisors (12838130).

13678030 is a wasteful number, since it uses less digits than its factorization.

13678030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13678030 is about 3698.3820786933. The cubic root of 13678030 is about 239.1522754084.

The spelling of 13678030 in words is "thirteen million, six hundred seventy-eight thousand, thirty".

Divisors: 1 2 5 10 17 34 61 85 122 170 305 610 1037 1319 2074 2638 5185 6595 10370 13190 22423 44846 80459 112115 160918 224230 402295 804590 1367803 2735606 6839015 13678030