Base | Representation |
---|---|
bin | 10111101100001… |
… | …100001100001000 |
3 | 1000200220001221100 |
4 | 113230030030020 |
5 | 1303222211412 |
6 | 103234541400 |
7 | 12564233121 |
oct | 2754141410 |
9 | 1020801840 |
10 | 397460232 |
11 | 1943a0834 |
12 | b1137860 |
13 | 64462590 |
14 | 3ab03048 |
15 | 24d60edc |
hex | 17b0c308 |
397460232 has 96 divisors (see below), whose sum is σ = 1187648280. Its totient is φ = 119301120.
The previous prime is 397460227. The next prime is 397460243. The reversal of 397460232 is 232064793.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 165019716 + 232440516 = 12846^2 + 15246^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33198 + ... + 43554.
Almost surely, 2397460232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 397460232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593824140).
397460232 is an abundant number, since it is smaller than the sum of its proper divisors (790188048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
397460232 is a wasteful number, since it uses less digits than its factorization.
397460232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10423 (or 10416 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 36.
The square root of 397460232 is about 19936.4046909166. The cubic root of 397460232 is about 735.2435566571.
The spelling of 397460232 in words is "three hundred ninety-seven million, four hundred sixty thousand, two hundred thirty-two".
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