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268487607 = 389495869
BaseRepresentation
bin10000000000001…
…100101110110111
3200201012120202110
4100000030232313
51022213100412
642350342103
76440051463
oct2000145667
9621176673
10268487607
11128610793
1275aba933
134381660b
142792d4a3
1518886d3c
hex1000cbb7

268487607 has 4 divisors (see below), whose sum is σ = 357983480. Its totient is φ = 178991736.

The previous prime is 268487591. The next prime is 268487627. The reversal of 268487607 is 706784862.

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

It is not a de Polignac number, because 268487607 - 24 = 268487591 is a prime.

It is a super-2 number, since 2×2684876072 = 144171190225172898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268487627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44747932 + ... + 44747937.

It is an arithmetic number, because the mean of its divisors is an integer number (89495870).

Almost surely, 2268487607 is an apocalyptic number.

268487607 is a deficient number, since it is larger than the sum of its proper divisors (89495873).

268487607 is an equidigital number, since it uses as much as digits as its factorization.

268487607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89495872.

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 268487607 is about 16385.5914449250. The cubic root of 268487607 is about 645.1213496816.

The spelling of 268487607 in words is "two hundred sixty-eight million, four hundred eighty-seven thousand, six hundred seven".

Divisors: 1 3 89495869 268487607