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16053140 = 2254119577
BaseRepresentation
bin111101001111…
…001110010100
31010012120202202
4331033032110
513102200030
61332024032
7253310105
oct75171624
933176682
1016053140
119074a64
125462018
133430acc
1421bc3ac
151621745
hexf4f394

16053140 has 24 divisors (see below), whose sum is σ = 34535592. Its totient is φ = 6264320.

The previous prime is 16053139. The next prime is 16053143. The reversal of 16053140 is 4135061.

It can be written as a sum of positive squares in 4 ways, for example, as 1567504 + 14485636 = 1252^2 + 3806^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16053143) 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, 8969 + ... + 10608.

It is an arithmetic number, because the mean of its divisors is an integer number (1438983).

Almost surely, 216053140 is an apocalyptic number.

16053140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16053140 is an abundant number, since it is smaller than the sum of its proper divisors (18482452).

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

16053140 is a wasteful number, since it uses less digits than its factorization.

16053140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19627 (or 19625 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 16053140 is about 4006.6369937892. The cubic root of 16053140 is about 252.2628692264.

The spelling of 16053140 in words is "sixteen million, fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 19577 39154 78308 97885 195770 391540 802657 1605314 3210628 4013285 8026570 16053140