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397130 = 25151263
BaseRepresentation
bin1100000111101001010
3202011202112
41200331022
5100202010
612302322
73242546
oct1407512
9664675
10397130
11251408
121719a2
1310b9b6
14a4a26
157ca05
hex60f4a

397130 has 16 divisors (see below), whose sum is σ = 722304. Its totient is φ = 157200.

The previous prime is 397127. The next prime is 397151. The reversal of 397130 is 31793.

It is a junction number, because it is equal to n+sod(n) for n = 397096 and 397105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379 + ... + 1641.

It is an arithmetic number, because the mean of its divisors is an integer number (45144).

2397130 is an apocalyptic number.

397130 is a deficient number, since it is larger than the sum of its proper divisors (325174).

397130 is a wasteful number, since it uses less digits than its factorization.

397130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 397130 is about 630.1825132452. The cubic root of 397130 is about 73.5039873197.

The spelling of 397130 in words is "three hundred ninety-seven thousand, one hundred thirty".