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13430934 = 234117537
BaseRepresentation
bin110011001111…
…000010010110
3221021100210000
4303033002112
511414242214
61155512130
7222106146
oct63170226
927240700
1013430934
117643950
1245b8646
132a233ca
141ad8926
1512a4809
hexccf096

13430934 has 40 divisors (see below), whose sum is σ = 32835528. Its totient is φ = 4069440.

The previous prime is 13430927. The next prime is 13430939. The reversal of 13430934 is 43903431.

13430934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×134309342 = 360779976224712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13430898 and 13430907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430939) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1987 + ... + 5550.

Almost surely, 213430934 is an apocalyptic number.

13430934 is an abundant number, since it is smaller than the sum of its proper divisors (19404594).

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

13430934 is a wasteful number, since it uses less digits than its factorization.

13430934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562 (or 7553 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 13430934 is about 3664.8238702563. The cubic root of 13430934 is about 237.7034061684.

The spelling of 13430934 in words is "thirteen million, four hundred thirty thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 297 594 891 1782 7537 15074 22611 45222 67833 82907 135666 165814 203499 248721 406998 497442 610497 746163 1220994 1492326 2238489 4476978 6715467 13430934