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13909114 = 2371011861
BaseRepresentation
bin110101000011…
…110001111010
3222011122201101
4311003301322
512030042424
61214042014
7226140232
oct65036172
928148641
1013909114
11794013a
1247a930a
132b5cc5b
141bc0cc2
15134b344
hexd43c7a

13909114 has 16 divisors (see below), whose sum is σ = 21651336. Its totient is φ = 6696000.

The previous prime is 13909109. The next prime is 13909117. The reversal of 13909114 is 41190931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13068225 + 840889 = 3615^2 + 917^2 .

It is not an unprimeable number, because it can be changed into a prime (13909117) 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, 6544 + ... + 8404.

Almost surely, 213909114 is an apocalyptic number.

13909114 is a deficient number, since it is larger than the sum of its proper divisors (7742222).

13909114 is a wasteful number, since it uses less digits than its factorization.

13909114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 13909114 is about 3729.4924587670. The cubic root of 13909114 is about 240.4915504255.

The spelling of 13909114 in words is "thirteen million, nine hundred nine thousand, one hundred fourteen".

Divisors: 1 2 37 74 101 202 1861 3722 3737 7474 68857 137714 187961 375922 6954557 13909114