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397150 = 25213247
BaseRepresentation
bin1100000111101011110
3202011210021
41200331132
5100202100
612302354
73242605
oct1407536
9664707
10397150
11251426
121719ba
1310ba00
14a4a3c
157ca1a
hex60f5e

397150 has 36 divisors (see below), whose sum is σ = 816912. Its totient is φ = 143520.

The previous prime is 397127. The next prime is 397151. The reversal of 397150 is 51793.

397150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397151) by changing a digit.

397150 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8427 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (22692).

2397150 is an apocalyptic number.

397150 is an abundant number, since it is smaller than the sum of its proper divisors (419762).

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

397150 is a wasteful number, since it uses less digits than its factorization.

397150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 397150 is about 630.1983814641. The cubic root of 397150 is about 73.5052212189.

The spelling of 397150 in words is "three hundred ninety-seven thousand, one hundred fifty".

Divisors: 1 2 5 10 13 25 26 47 50 65 94 130 169 235 325 338 470 611 650 845 1175 1222 1690 2350 3055 4225 6110 7943 8450 15275 15886 30550 39715 79430 198575 397150