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868906473 = 3289635491
BaseRepresentation
bin110011110010100…
…111010111101001
32020120000000121020
4303302213113221
53234420001343
6222115403053
730350404011
oct6362472751
92216000536
10868906473
11406525326
12202bb3489
1310b02aa56
1483584c41
1551438b83
hex33ca75e9

868906473 has 4 divisors (see below), whose sum is σ = 1158541968. Its totient is φ = 579270980.

The previous prime is 868906469. The next prime is 868906541. The reversal of 868906473 is 374609868.

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.

It is a cyclic number.

It is not a de Polignac number, because 868906473 - 22 = 868906469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868906403) 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, 144817743 + ... + 144817748.

It is an arithmetic number, because the mean of its divisors is an integer number (289635492).

Almost surely, 2868906473 is an apocalyptic number.

It is an amenable number.

868906473 is a deficient number, since it is larger than the sum of its proper divisors (289635495).

868906473 is a wasteful number, since it uses less digits than its factorization.

868906473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289635494.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 868906473 is about 29477.2195601960. The cubic root of 868906473 is about 954.2401320101.

The spelling of 868906473 in words is "eight hundred sixty-eight million, nine hundred six thousand, four hundred seventy-three".

Divisors: 1 3 289635491 868906473