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479450663 = 2320845681
BaseRepresentation
bin11100100100111…
…101011000100111
31020102011121122222
4130210331120213
51440214410123
6115324142555
714611156226
oct3444753047
91212147588
10479450663
1122670141a
12114697a5b
137843b923
1447966cbd
152c1596c8
hex1c93d627

479450663 has 4 divisors (see below), whose sum is σ = 500296368. Its totient is φ = 458604960.

The previous prime is 479450651. The next prime is 479450689. The reversal of 479450663 is 366054974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366054974 = 2183027487.

It is a cyclic number.

It is not a de Polignac number, because 479450663 - 26 = 479450599 is a prime.

It is a super-2 number, since 2×4794506632 = 459745876502279138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479450623) 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, 10422818 + ... + 10422863.

It is an arithmetic number, because the mean of its divisors is an integer number (125074092).

Almost surely, 2479450663 is an apocalyptic number.

479450663 is a deficient number, since it is larger than the sum of its proper divisors (20845705).

479450663 is a wasteful number, since it uses less digits than its factorization.

479450663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20845704.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 479450663 is about 21896.3618667577. The cubic root of 479450663 is about 782.6747223199.

The spelling of 479450663 in words is "four hundred seventy-nine million, four hundred fifty thousand, six hundred sixty-three".

Divisors: 1 23 20845681 479450663