Base | Representation |
---|---|
bin | 111011110101… |
… | …0111010111110 |
3 | 2012000210211202 |
4 | 1313222322332 |
5 | 31012332232 |
6 | 3040215502 |
7 | 530435321 |
oct | 167527276 |
9 | 65023752 |
10 | 31370942 |
11 | 167874a9 |
12 | a60a592 |
13 | 6664cb5 |
14 | 42487b8 |
15 | 2b4a162 |
hex | 1deaebe |
31370942 has 8 divisors (see below), whose sum is σ = 49102416. Its totient is φ = 15003472.
The previous prime is 31370921. The next prime is 31370959. The reversal of 31370942 is 24907313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340943 + ... + 341034.
It is an arithmetic number, because the mean of its divisors is an integer number (6137802).
Almost surely, 231370942 is an apocalyptic number.
31370942 is a deficient number, since it is larger than the sum of its proper divisors (17731474).
31370942 is a wasteful number, since it uses less digits than its factorization.
31370942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 682002.
The product of its (nonzero) digits is 4536, while the sum is 29.
The square root of 31370942 is about 5600.9768790810. The cubic root of 31370942 is about 315.3860790579.
The spelling of 31370942 in words is "thirty-one million, three hundred seventy thousand, nine hundred forty-two".
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