Base | Representation |
---|---|
bin | 10010111011000… |
… | …011010011110110 |
3 | 211010101010220000 |
4 | 102323003103312 |
5 | 1122233014232 |
6 | 51300252130 |
7 | 10603310226 |
oct | 2273032366 |
9 | 733333800 |
10 | 317469942 |
11 | 153226959 |
12 | 8a3a1046 |
13 | 50a0674a |
14 | 30240086 |
15 | 1cd1027c |
hex | 12ec34f6 |
317469942 has 80 divisors (see below), whose sum is σ = 729978480. Its totient is φ = 103099392.
The previous prime is 317469941. The next prime is 317469961. The reversal of 317469942 is 249964713.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (317469941) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1398433 + ... + 1398659.
It is an arithmetic number, because the mean of its divisors is an integer number (9124731).
Almost surely, 2317469942 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 317469942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364989240).
317469942 is an abundant number, since it is smaller than the sum of its proper divisors (412508538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317469942 is a wasteful number, since it uses less digits than its factorization.
317469942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 427 (or 418 counting only the distinct ones).
The product of its digits is 326592, while the sum is 45.
The square root of 317469942 is about 17817.6862134229. The cubic root of 317469942 is about 682.1829659051.
The spelling of 317469942 in words is "three hundred seventeen million, four hundred sixty-nine thousand, nine hundred forty-two".
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