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268344210 = 23539722531
BaseRepresentation
bin11111111111010…
…01101110010010
3200200221022001110
433333221232102
51022144003320
642343314150
76435613431
oct1777515622
9620838043
10268344210
11128522a82
1275a4b956
1343796274
14278d3118
15188595e0
hexffe9b92

268344210 has 32 divisors (see below), whose sum is σ = 645676992. Its totient is φ = 71375040.

The previous prime is 268344169. The next prime is 268344211. The reversal of 268344210 is 12443862.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (268344211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645 + ... + 23175.

It is an arithmetic number, because the mean of its divisors is an integer number (20177406).

Almost surely, 2268344210 is an apocalyptic number.

268344210 is an abundant number, since it is smaller than the sum of its proper divisors (377332782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268344210 is a wasteful number, since it uses less digits than its factorization.

268344210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22938.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 268344210 is about 16381.2151563918. The cubic root of 268344210 is about 645.0064779110.

The spelling of 268344210 in words is "two hundred sixty-eight million, three hundred forty-four thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 397 794 1191 1985 2382 3970 5955 11910 22531 45062 67593 112655 135186 225310 337965 675930 8944807 17889614 26834421 44724035 53668842 89448070 134172105 268344210