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268884973 = 7231670093
BaseRepresentation
bin10000000001101…
…101101111101101
3200201221202211201
4100001231233231
51022313304343
642403045501
76443325130
oct2001555755
9621852751
10268884973
11128862295
1276070891
1343925446
14279d4217
151891494d
hex1006dbed

268884973 has 8 divisors (see below), whose sum is σ = 320658048. Its totient is φ = 220452144.

The previous prime is 268884949. The next prime is 268884989. The reversal of 268884973 is 379488862.

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-268884973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268884073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834886 + ... + 835207.

It is an arithmetic number, because the mean of its divisors is an integer number (40082256).

Almost surely, 2268884973 is an apocalyptic number.

268884973 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

268884973 is a deficient number, since it is larger than the sum of its proper divisors (51773075).

268884973 is a wasteful number, since it uses less digits than its factorization.

268884973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670123.

The product of its digits is 4644864, while the sum is 55.

The square root of 268884973 is about 16397.7124319217. The cubic root of 268884973 is about 645.4394561422.

The spelling of 268884973 in words is "two hundred sixty-eight million, eight hundred eighty-four thousand, nine hundred seventy-three".

Divisors: 1 7 23 161 1670093 11690651 38412139 268884973