Base | Representation |
---|---|
bin | 10010101001101… |
… | …001011001001110 |
3 | 210210210100011211 |
4 | 102221221121032 |
5 | 1120101013332 |
6 | 51014405034 |
7 | 10516445206 |
oct | 2251513116 |
9 | 723710154 |
10 | 312907342 |
11 | 15069aa10 |
12 | 8896077a |
13 | 4ca99a97 |
14 | 2d7b3406 |
15 | 1c70d447 |
hex | 12a6964e |
312907342 has 16 divisors (see below), whose sum is σ = 512302464. Its totient is φ = 142155000.
The previous prime is 312907307. The next prime is 312907379. The reversal of 312907342 is 243709213.
It is a super-2 number, since 2×3129073422 = 195822009355009928, which contains 22 as substring.
It is a congruent number.
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, 75217 + ... + 79267.
It is an arithmetic number, because the mean of its divisors is an integer number (32018904).
Almost surely, 2312907342 is an apocalyptic number.
312907342 is a deficient number, since it is larger than the sum of its proper divisors (199395122).
312907342 is a wasteful number, since it uses less digits than its factorization.
312907342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7575.
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 312907342 is about 17689.1871492163. The cubic root of 312907342 is about 678.8991284755.
The spelling of 312907342 in words is "three hundred twelve million, nine hundred seven thousand, three hundred forty-two".
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