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16268530 = 253743969
BaseRepresentation
bin111110000011…
…110011110010
31010121112020011
4332003303302
513131043110
61340405134
7255165055
oct76036362
933545204
1016268530
119201873
1255467aa
1334a7b65
142236a9c
15166548a
hexf83cf2

16268530 has 16 divisors (see below), whose sum is σ = 30075480. Its totient is φ = 6331392.

The previous prime is 16268501. The next prime is 16268531. The reversal of 16268530 is 3586261.

It can be written as a sum of positive squares in 4 ways, for example, as 15912121 + 356409 = 3989^2 + 597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16268492 and 16268501.

It is not an unprimeable number, because it can be changed into a prime (16268531) 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, 21615 + ... + 22354.

Almost surely, 216268530 is an apocalyptic number.

16268530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16268530 is a deficient number, since it is larger than the sum of its proper divisors (13806950).

16268530 is a wasteful number, since it uses less digits than its factorization.

16268530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44013.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 16268530 is about 4033.4265829441. The cubic root of 16268530 is about 253.3860905052.

The spelling of 16268530 in words is "sixteen million, two hundred sixty-eight thousand, five hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 43969 87938 219845 439690 1626853 3253706 8134265 16268530