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16245404 = 2271734129
BaseRepresentation
bin111101111110…
…001010011100
31010120100111122
4331332022130
513124323104
61340110112
7255040460
oct75761234
933510448
1016245404
11919645a
125535338
13349a486
14222c4a0
15165d6be
hexf7e29c

16245404 has 24 divisors (see below), whose sum is σ = 34403040. Its totient is φ = 6552576.

The previous prime is 16245403. The next prime is 16245407. The reversal of 16245404 is 40454261.

It is a super-2 number, since 2×162454042 = 527826302246432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16245403) 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, 16589 + ... + 17540.

It is an arithmetic number, because the mean of its divisors is an integer number (1433460).

Almost surely, 216245404 is an apocalyptic number.

16245404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16245404 is an abundant number, since it is smaller than the sum of its proper divisors (18157636).

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

16245404 is a wasteful number, since it uses less digits than its factorization.

16245404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34157 (or 34155 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 16245404 is about 4030.5587701955. The cubic root of 16245404 is about 253.2659693156.

Adding to 16245404 its reverse (40454261), we get a palindrome (56699665).

The spelling of 16245404 in words is "sixteen million, two hundred forty-five thousand, four hundred four".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 34129 68258 136516 238903 477806 580193 955612 1160386 2320772 4061351 8122702 16245404