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478080671 = 2771725923
BaseRepresentation
bin11100011111101…
…110111010011111
31020022121000101112
4130133232322133
51434342040141
6115234532235
714563422125
oct3437567237
91208530345
10478080671
112259560a2
1211413707b
137807c193
14476cb915
152be887eb
hex1c7eee9f

478080671 has 4 divisors (see below), whose sum is σ = 479806872. Its totient is φ = 476354472.

The previous prime is 478080661. The next prime is 478080683. The reversal of 478080671 is 176080874.

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

It is a cyclic number.

It is not a de Polignac number, because 478080671 - 210 = 478079647 is a prime.

It is a super-2 number, since 2×4780806712 = 457122255967620482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478080661) 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, 862685 + ... + 863238.

It is an arithmetic number, because the mean of its divisors is an integer number (119951718).

Almost surely, 2478080671 is an apocalyptic number.

478080671 is a deficient number, since it is larger than the sum of its proper divisors (1726201).

478080671 is a wasteful number, since it uses less digits than its factorization.

478080671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726200.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 478080671 is about 21865.0559340698. The cubic root of 478080671 is about 781.9285342949.

The spelling of 478080671 in words is "four hundred seventy-eight million, eighty thousand, six hundred seventy-one".

Divisors: 1 277 1725923 478080671