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16252690 = 252835743
BaseRepresentation
bin111101111111…
…111100010010
31010120201111111
4331333330102
513130041230
61340203534
7255100636
oct75777422
933521444
1016252690
1191a0983
1255395aa
1334a089c
142230dc6
15166092a
hexf7ff12

16252690 has 16 divisors (see below), whose sum is σ = 29363328. Its totient is φ = 6476976.

The previous prime is 16252637. The next prime is 16252693. The reversal of 16252690 is 9625261.

It is a super-2 number, since 2×162526902 = 528299864472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16252693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42 + ... + 5701.

It is an arithmetic number, because the mean of its divisors is an integer number (1835208).

Almost surely, 216252690 is an apocalyptic number.

16252690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16252690 is a deficient number, since it is larger than the sum of its proper divisors (13110638).

16252690 is a wasteful number, since it uses less digits than its factorization.

16252690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6033.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 16252690 is about 4031.4625137783. The cubic root of 16252690 is about 253.3038265880.

The spelling of 16252690 in words is "sixteen million, two hundred fifty-two thousand, six hundred ninety".

Divisors: 1 2 5 10 283 566 1415 2830 5743 11486 28715 57430 1625269 3250538 8126345 16252690