Search a number
-
+
13470613 = 131760953
BaseRepresentation
bin110011011000…
…101110010101
3221100101012121
4303120232111
511422024423
61200415541
7222332632
oct63305625
927311177
1013470613
117670742
1246175b1
132a384a0
141b09189
1512b145d
hexcd8b95

13470613 has 8 divisors (see below), whose sum is σ = 15360408. Its totient is φ = 11702784.

The previous prime is 13470593. The next prime is 13470631. The reversal of 13470613 is 31607431.

It can be written as a sum of positive squares in 4 ways, for example, as 380689 + 13089924 = 617^2 + 3618^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13470613 - 29 = 13470101 is a prime.

It is a super-3 number, since 3×134706133 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13470913) 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, 30256 + ... + 30697.

It is an arithmetic number, because the mean of its divisors is an integer number (1920051).

Almost surely, 213470613 is an apocalyptic number.

13470613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13470613 is a deficient number, since it is larger than the sum of its proper divisors (1889795).

13470613 is a wasteful number, since it uses less digits than its factorization.

13470613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60983.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13470613 is about 3670.2333713267. The cubic root of 13470613 is about 237.9372583715.

The spelling of 13470613 in words is "thirteen million, four hundred seventy thousand, six hundred thirteen".

Divisors: 1 13 17 221 60953 792389 1036201 13470613