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13149406 = 219536529
BaseRepresentation
bin110010001010…
…010011011110
3220202001121001
4302022103132
511331240111
61145500514
7216524314
oct62122336
926661531
1013149406
117471386
1244a173a
13295521a
141a640b4
15124b1c1
hexc8a4de

13149406 has 16 divisors (see below), whose sum is σ = 21157200. Its totient is φ = 6110208.

The previous prime is 13149401. The next prime is 13149407. The reversal of 13149406 is 60494131.

13149406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13149401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251 + ... + 5278.

It is an arithmetic number, because the mean of its divisors is an integer number (1322325).

Almost surely, 213149406 is an apocalyptic number.

13149406 is a deficient number, since it is larger than the sum of its proper divisors (8007794).

13149406 is a wasteful number, since it uses less digits than its factorization.

13149406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6603.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13149406 is about 3626.2109701450. The cubic root of 13149406 is about 236.0308180572.

The spelling of 13149406 in words is "thirteen million, one hundred forty-nine thousand, four hundred six".

Divisors: 1 2 19 38 53 106 1007 2014 6529 13058 124051 248102 346037 692074 6574703 13149406