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495980 = 22524799
BaseRepresentation
bin1111001000101101100
3221012100122
41321011230
5111332410
614344112
74134002
oct1710554
9835318
10495980
11309701
121bb038
131449a4
14cca72
159be55
hex7916c

495980 has 12 divisors (see below), whose sum is σ = 1041600. Its totient is φ = 198384.

The previous prime is 495973. The next prime is 495983. The reversal of 495980 is 89594.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 495980.

It is not an unprimeable number, because it can be changed into a prime (495983) 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, 12380 + ... + 12419.

It is an arithmetic number, because the mean of its divisors is an integer number (86800).

2495980 is an apocalyptic number.

It is an amenable number.

495980 is an abundant number, since it is smaller than the sum of its proper divisors (545620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495980 is a wasteful number, since it uses less digits than its factorization.

495980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24808 (or 24806 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 495980 is about 704.2584752774. The cubic root of 495980 is about 79.1567682299.

The spelling of 495980 in words is "four hundred ninety-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 24799 49598 99196 123995 247990 495980