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13464430 = 257238363
BaseRepresentation
bin110011010111…
…001101101110
3221100001201121
4303113031232
511421330210
61200331154
7222305620
oct63271556
927301647
1013464430
117667031
124613aba
132a35725
141b06c10
1512ae6da
hexcd736e

13464430 has 32 divisors (see below), whose sum is σ = 28905984. Its totient is φ = 4415136.

The previous prime is 13464403. The next prime is 13464431. The reversal of 13464430 is 3446431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13464395 and 13464404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13464431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2572 + ... + 5791.

It is an arithmetic number, because the mean of its divisors is an integer number (903312).

Almost surely, 213464430 is an apocalyptic number.

13464430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13464430 is an abundant number, since it is smaller than the sum of its proper divisors (15441554).

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

13464430 is a wasteful number, since it uses less digits than its factorization.

13464430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 13464430 is about 3669.3909576386. The cubic root of 13464430 is about 237.9008484666.

It can be divided in two parts, 1346 and 4430, that added together give a square (5776 = 762).

The spelling of 13464430 in words is "thirteen million, four hundred sixty-four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 8363 16726 41815 58541 83630 117082 192349 292705 384698 585410 961745 1346443 1923490 2692886 6732215 13464430