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13658070 = 235455269
BaseRepresentation
bin110100000110…
…011111010110
3221200220100110
4310012133112
511444024240
61204423450
7224043306
oct64063726
927626313
1013658070
117789568
1246a7b86
132aa28ca
141b57606
1512ebc80
hexd067d6

13658070 has 16 divisors (see below), whose sum is σ = 32779440. Its totient is φ = 3642144.

The previous prime is 13658063. The next prime is 13658077. The reversal of 13658070 is 7085631.

It is an interprime number because it is at equal distance from previous prime (13658063) and next prime (13658077).

It is a super-2 number, since 2×136580702 = 373085752249800, which contains 22 as substring.

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: 455269 = 13658070 / (1 + 3 + 6 + 5 + 8 + 0 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13658077) 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, 227605 + ... + 227664.

It is an arithmetic number, because the mean of its divisors is an integer number (2048715).

Almost surely, 213658070 is an apocalyptic number.

13658070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13658070 is an abundant number, since it is smaller than the sum of its proper divisors (19121370).

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

13658070 is a wasteful number, since it uses less digits than its factorization.

13658070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455279.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 13658070 is about 3695.6826162429. The cubic root of 13658070 is about 239.0358891735.

The spelling of 13658070 in words is "thirteen million, six hundred fifty-eight thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 455269 910538 1365807 2276345 2731614 4552690 6829035 13658070