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397086 = 23172229
BaseRepresentation
bin1100000111100011110
3202011200220
41200330132
5100201321
612302210
73242454
oct1407436
9664626
10397086
11251378
12171966
1310b981
14a49d4
157c9c6
hex60f1e

397086 has 24 divisors (see below), whose sum is σ = 847320. Its totient is φ = 124032.

The previous prime is 397073. The next prime is 397093. The reversal of 397086 is 680793.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1620 + ... + 1848.

It is an arithmetic number, because the mean of its divisors is an integer number (35305).

2397086 is an apocalyptic number.

397086 is an abundant number, since it is smaller than the sum of its proper divisors (450234).

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

397086 is a wasteful number, since it uses less digits than its factorization.

397086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 397086 is about 630.1476017569. The cubic root of 397086 is about 73.5012725959.

The spelling of 397086 in words is "three hundred ninety-seven thousand, eighty-six".

Divisors: 1 2 3 6 17 34 51 102 229 289 458 578 687 867 1374 1734 3893 7786 11679 23358 66181 132362 198543 397086