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13470680 = 235336767
BaseRepresentation
bin110011011000…
…101111011000
3221100101022002
4303120233120
511422030210
61200420132
7222333056
oct63305730
927311262
1013470680
1176707a3
124617648
132a38522
141b091d6
1512b14a5
hexcd8bd8

13470680 has 16 divisors (see below), whose sum is σ = 30309120. Its totient is φ = 5388256.

The previous prime is 13470679. The next prime is 13470689. The reversal of 13470680 is 8607431.

It is a super-3 number, since 3×134706803 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13470689) 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 3 ways as a sum of consecutive naturals, for example, 168344 + ... + 168423.

It is an arithmetic number, because the mean of its divisors is an integer number (1894320).

Almost surely, 213470680 is an apocalyptic number.

13470680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13470680 is an abundant number, since it is smaller than the sum of its proper divisors (16838440).

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

13470680 is a wasteful number, since it uses less digits than its factorization.

13470680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336778 (or 336774 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 13470680 is about 3670.2424988003. The cubic root of 13470680 is about 237.9376528541.

The spelling of 13470680 in words is "thirteen million, four hundred seventy thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 336767 673534 1347068 1683835 2694136 3367670 6735340 13470680