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427580 = 22521379
BaseRepresentation
bin1101000011000111100
3210201112022
41220120330
5102140310
613055312
73430406
oct1503074
9721468
10427580
1127227a
12187538
1311c80a
14b1b76
1586a55
hex6863c

427580 has 12 divisors (see below), whose sum is σ = 897960. Its totient is φ = 171024.

The previous prime is 427579. The next prime is 427591. The reversal of 427580 is 85724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10670 + ... + 10709.

It is an arithmetic number, because the mean of its divisors is an integer number (74830).

2427580 is an apocalyptic number.

It is an amenable number.

427580 is an abundant number, since it is smaller than the sum of its proper divisors (470380).

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

427580 is a wasteful number, since it uses less digits than its factorization.

427580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21388 (or 21386 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 427580 is about 653.8960161983. The cubic root of 427580 is about 75.3365614997.

The spelling of 427580 in words is "four hundred twenty-seven thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 21379 42758 85516 106895 213790 427580