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868475667 = 3289491889
BaseRepresentation
bin110011110000111…
…110001100010011
32020112012010122110
4303300332030103
53234312210132
6222102240403
730343631013
oct6360761423
92215163573
10868475667
11406260694
12202a26103
1310ac09937
14834b1c43
15513a11cc
hex33c3e313

868475667 has 4 divisors (see below), whose sum is σ = 1157967560. Its totient is φ = 578983776.

The previous prime is 868475603. The next prime is 868475683. The reversal of 868475667 is 766574868.

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

It is not a de Polignac number, because 868475667 - 26 = 868475603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868475567) 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, 144745942 + ... + 144745947.

It is an arithmetic number, because the mean of its divisors is an integer number (289491890).

Almost surely, 2868475667 is an apocalyptic number.

868475667 is a deficient number, since it is larger than the sum of its proper divisors (289491893).

868475667 is a wasteful number, since it uses less digits than its factorization.

868475667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289491892.

The product of its digits is 13547520, while the sum is 57.

The square root of 868475667 is about 29469.9112146610. The cubic root of 868475667 is about 954.0824010590.

The spelling of 868475667 in words is "eight hundred sixty-eight million, four hundred seventy-five thousand, six hundred sixty-seven".

Divisors: 1 3 289491889 868475667