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13345845 = 357731151
BaseRepresentation
bin110010111010…
…010000110101
3221010001001120
4302322100311
511404031340
61154014153
7221303112
oct62722065
927101046
1013345845
117595a27
124577359
1329c3766
141ab5909
1512894d0
hexcba435

13345845 has 16 divisors (see below), whose sum is σ = 21399552. Its totient is φ = 7102400.

The previous prime is 13345831. The next prime is 13345853. The reversal of 13345845 is 54854331.

13345845 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13345845 - 211 = 13343797 is a prime.

It is a super-2 number, since 2×133458452 = 356223157528050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11020 + ... + 12170.

It is an arithmetic number, because the mean of its divisors is an integer number (1337472).

Almost surely, 213345845 is an apocalyptic number.

13345845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13345845 is a deficient number, since it is larger than the sum of its proper divisors (8053707).

13345845 is a wasteful number, since it uses less digits than its factorization.

13345845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932.

The product of its digits is 28800, while the sum is 33.

The square root of 13345845 is about 3653.1965454927. The cubic root of 13345845 is about 237.2003682170.

The spelling of 13345845 in words is "thirteen million, three hundred forty-five thousand, eight hundred forty-five".

Divisors: 1 3 5 15 773 1151 2319 3453 3865 5755 11595 17265 889723 2669169 4448615 13345845