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268977073 = 514752259
BaseRepresentation
bin10000000010000…
…100001110110001
3200202010110011211
4100002010032301
51022324231243
642405040121
76444160501
oct2002041661
9622113154
10268977073
11128915502
12760b6041
1343958341
1427a19a01
1518931d9d
hex100843b1

268977073 has 4 divisors (see below), whose sum is σ = 269034480. Its totient is φ = 268919668.

The previous prime is 268977031. The next prime is 268977089. The reversal of 268977073 is 370779862.

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, and also an emirpimes, since its reverse is a distinct semiprime: 370779862 = 2185389931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-268977073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268977473) 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, 20983 + ... + 31276.

It is an arithmetic number, because the mean of its divisors is an integer number (67258620).

Almost surely, 2268977073 is an apocalyptic number.

It is an amenable number.

268977073 is a deficient number, since it is larger than the sum of its proper divisors (57407).

268977073 is an equidigital number, since it uses as much as digits as its factorization.

268977073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57406.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 268977073 is about 16400.5205100326. The cubic root of 268977073 is about 645.5131409195.

The spelling of 268977073 in words is "two hundred sixty-eight million, nine hundred seventy-seven thousand, seventy-three".

Divisors: 1 5147 52259 268977073