Base | Representation |
---|---|
bin | 10100100110101… |
… | …000001101110000 |
3 | 220002102212210120 |
4 | 110212220031300 |
5 | 1201442424022 |
6 | 54144530240 |
7 | 11365102515 |
oct | 2446501560 |
9 | 802385716 |
10 | 345670512 |
11 | 168138410 |
12 | 97920980 |
13 | 567cb685 |
14 | 33ca130c |
15 | 20530d5c |
hex | 149a8370 |
345670512 has 40 divisors (see below), whose sum is σ = 974163840. Its totient is φ = 104748480.
The previous prime is 345670499. The next prime is 345670513. The reversal of 345670512 is 215076543.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345670513) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326812 + ... + 327867.
It is an arithmetic number, because the mean of its divisors is an integer number (24354096).
Almost surely, 2345670512 is an apocalyptic number.
It is an amenable number.
345670512 is an abundant number, since it is smaller than the sum of its proper divisors (628493328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
345670512 is a wasteful number, since it uses less digits than its factorization.
345670512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 654701 (or 654695 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 33.
The square root of 345670512 is about 18592.2164359175. The cubic root of 345670512 is about 701.8119803929.
The spelling of 345670512 in words is "three hundred forty-five million, six hundred seventy thousand, five hundred twelve".
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