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13445934 = 2310092221
BaseRepresentation
bin110011010010…
…101100101110
3221022010100120
4303102230232
511420232214
61200105410
7222200655
oct63225456
927263316
1013445934
117654147
124605266
132a2a198
141b0019c
1512a8ea9
hexcd2b2e

13445934 has 16 divisors (see below), whose sum is σ = 26930640. Its totient is φ = 4475520.

The previous prime is 13445933. The next prime is 13445959. The reversal of 13445934 is 43954431.

It is a super-2 number, since 2×134459342 = 361586282264712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13445895 and 13445904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445933) 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, 4944 + ... + 7164.

It is an arithmetic number, because the mean of its divisors is an integer number (1683165).

Almost surely, 213445934 is an apocalyptic number.

13445934 is an abundant number, since it is smaller than the sum of its proper divisors (13484706).

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

13445934 is a wasteful number, since it uses less digits than its factorization.

13445934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235.

The product of its digits is 25920, while the sum is 33.

The square root of 13445934 is about 3666.8697822530. The cubic root of 13445934 is about 237.7918642645.

The spelling of 13445934 in words is "thirteen million, four hundred forty-five thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 1009 2018 2221 3027 4442 6054 6663 13326 2240989 4481978 6722967 13445934