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478961 = 7531291
BaseRepresentation
bin1110100111011110001
3220100000022
41310323301
5110311321
614133225
74033250
oct1647361
9810008
10478961
112a793a
121b1215
1313a012
14c6797
1596dab
hex74ef1

478961 has 8 divisors (see below), whose sum is σ = 558144. Its totient is φ = 402480.

The previous prime is 478943. The next prime is 478963. The reversal of 478961 is 169874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 478961 - 26 = 478897 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275 + ... + 1016.

It is an arithmetic number, because the mean of its divisors is an integer number (69768).

2478961 is an apocalyptic number.

It is an amenable number.

478961 is a deficient number, since it is larger than the sum of its proper divisors (79183).

478961 is a wasteful number, since it uses less digits than its factorization.

478961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its digits is 12096, while the sum is 35.

The square root of 478961 is about 692.0700831563. The cubic root of 478961 is about 78.2408182975.

It can be divided in two parts, 4 and 78961, that multiplied together give a square (315844 = 5622).

The spelling of 478961 in words is "four hundred seventy-eight thousand, nine hundred sixty-one".

Divisors: 1 7 53 371 1291 9037 68423 478961