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268453387 = 1513075791
BaseRepresentation
bin10000000000000…
…100011000001011
3200201010211211001
4100000010120023
51022211002022
642345515431
76436546636
oct2000043013
9621124731
10268453387
11128598004
1275aa2b77
1343803b77
1427920c1d
151887bb27
hex1000460b

268453387 has 8 divisors (see below), whose sum is σ = 271158272. Its totient is φ = 265761000.

The previous prime is 268453357. The next prime is 268453399. The reversal of 268453387 is 783354862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-268453387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268453357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43462 + ... + 49252.

It is an arithmetic number, because the mean of its divisors is an integer number (33894784).

Almost surely, 2268453387 is an apocalyptic number.

268453387 is a deficient number, since it is larger than the sum of its proper divisors (2704885).

268453387 is a wasteful number, since it uses less digits than its factorization.

268453387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249.

The product of its digits is 967680, while the sum is 46.

The square root of 268453387 is about 16384.5472015555. The cubic root of 268453387 is about 645.0939406070.

The spelling of 268453387 in words is "two hundred sixty-eight million, four hundred fifty-three thousand, three hundred eighty-seven".

Divisors: 1 151 307 5791 46357 874441 1777837 268453387