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268452361 = 1631646947
BaseRepresentation
bin10000000000000…
…100001000001001
3200201010210102001
4100000010020021
51022210433421
642345511001
76436543642
oct2000041011
9621123361
10268452361
11128597261
1275aa2461
1343803568
14279206c9
151887b691
hex10004209

268452361 has 4 divisors (see below), whose sum is σ = 270099472. Its totient is φ = 266805252.

The previous prime is 268452347. The next prime is 268452377. The reversal of 268452361 is 163254862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268452361 - 221 = 266355209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268452361.

It is not an unprimeable number, because it can be changed into a prime (268452061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823311 + ... + 823636.

It is an arithmetic number, because the mean of its divisors is an integer number (67524868).

Almost surely, 2268452361 is an apocalyptic number.

It is an amenable number.

268452361 is a deficient number, since it is larger than the sum of its proper divisors (1647111).

268452361 is a wasteful number, since it uses less digits than its factorization.

268452361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647110.

The product of its digits is 69120, while the sum is 37.

The square root of 268452361 is about 16384.5158915361. The cubic root of 268452361 is about 645.0931187794.

The spelling of 268452361 in words is "two hundred sixty-eight million, four hundred fifty-two thousand, three hundred sixty-one".

Divisors: 1 163 1646947 268452361