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16247242 = 2111947827
BaseRepresentation
bin111101111110…
…100111001010
31010120110000201
4331332213022
513124402432
61340122414
7255046024
oct75764712
933513021
1016247242
119197880
12553640a
13349b26b
14222d014
15165dee7
hexf7e9ca

16247242 has 32 divisors (see below), whose sum is σ = 28615680. Its totient is φ = 6839280.

The previous prime is 16247239. The next prime is 16247251. The reversal of 16247242 is 24274261.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16247242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19233 + ... + 20059.

It is an arithmetic number, because the mean of its divisors is an integer number (894240).

Almost surely, 216247242 is an apocalyptic number.

16247242 is a deficient number, since it is larger than the sum of its proper divisors (12368438).

16247242 is a wasteful number, since it uses less digits than its factorization.

16247242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

The product of its digits is 5376, while the sum is 28.

The square root of 16247242 is about 4030.7867718350. The cubic root of 16247242 is about 253.2755204333.

The spelling of 16247242 in words is "sixteen million, two hundred forty-seven thousand, two hundred forty-two".

Divisors: 1 2 11 19 22 38 47 94 209 418 517 827 893 1034 1654 1786 9097 9823 15713 18194 19646 31426 38869 77738 172843 345686 427559 738511 855118 1477022 8123621 16247242