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268742627 = 318669117
BaseRepresentation
bin10000000001001…
…010111111100011
3200201200112120122
4100001022333203
51022244231002
642400030455
76442163126
oct2001127743
9621615518
10268742627
1112877534a
127600242b
13438a570a
14279983bd
15188d76a2
hex1004afe3

268742627 has 4 divisors (see below), whose sum is σ = 277411776. Its totient is φ = 260073480.

The previous prime is 268742611. The next prime is 268742633. The reversal of 268742627 is 726247862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268742627 - 24 = 268742611 is a prime.

It is a super-2 number, since 2×2687426272 = 144445199133722258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268742687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4334528 + ... + 4334589.

It is an arithmetic number, because the mean of its divisors is an integer number (69352944).

Almost surely, 2268742627 is an apocalyptic number.

268742627 is a deficient number, since it is larger than the sum of its proper divisors (8669149).

268742627 is an equidigital number, since it uses as much as digits as its factorization.

268742627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8669148.

The product of its digits is 451584, while the sum is 44.

The square root of 268742627 is about 16393.3714348208. The cubic root of 268742627 is about 645.3255388521.

The spelling of 268742627 in words is "two hundred sixty-eight million, seven hundred forty-two thousand, six hundred twenty-seven".

Divisors: 1 31 8669117 268742627