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16242347 = 1123431493
BaseRepresentation
bin111101111101…
…011010101011
31010120012022102
4331331122223
513124223342
61340044015
7255025532
oct75753253
933505272
1016242347
119194130
12553360b
133498c74
14222b319
15165c832
hexf7d6ab

16242347 has 16 divisors (see below), whose sum is σ = 18931968. Its totient is φ = 13786080.

The previous prime is 16242329. The next prime is 16242367. The reversal of 16242347 is 74324261.

It is not a de Polignac number, because 16242347 - 212 = 16238251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16242367) 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 15 ways as a sum of consecutive naturals, for example, 10133 + ... + 11625.

It is an arithmetic number, because the mean of its divisors is an integer number (1183248).

Almost surely, 216242347 is an apocalyptic number.

16242347 is a deficient number, since it is larger than the sum of its proper divisors (2689621).

16242347 is a wasteful number, since it uses less digits than its factorization.

16242347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570.

The product of its digits is 8064, while the sum is 29.

The square root of 16242347 is about 4030.1795245373. The cubic root of 16242347 is about 253.2500821015.

The spelling of 16242347 in words is "sixteen million, two hundred forty-two thousand, three hundred forty-seven".

Divisors: 1 11 23 43 253 473 989 1493 10879 16423 34339 64199 377729 706189 1476577 16242347