Base | Representation |
---|---|
bin | 1011111110001101… |
… | …1101001101111110 |
3 | 22021222020001120120 |
4 | 2333203131031332 |
5 | 23040204233344 |
6 | 1250521355410 |
7 | 142432236021 |
oct | 27743351576 |
9 | 8258201516 |
10 | 3213742974 |
11 | 13aa08a732 |
12 | 758338b66 |
13 | 3c2a70c80 |
14 | 226b651b8 |
15 | 13c215219 |
hex | bf8dd37e |
3213742974 has 32 divisors (see below), whose sum is σ = 6957805344. Its totient is φ = 983715840.
The previous prime is 3213742969. The next prime is 3213742979. The reversal of 3213742974 is 4792473123.
It is an interprime number because it is at equal distance from previous prime (3213742969) and next prime (3213742979).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3213742979) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91687 + ... + 121794.
It is an arithmetic number, because the mean of its divisors is an integer number (217431417).
Almost surely, 23213742974 is an apocalyptic number.
3213742974 is an abundant number, since it is smaller than the sum of its proper divisors (3744062370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3213742974 is a wasteful number, since it uses less digits than its factorization.
3213742974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213692.
The product of its digits is 254016, while the sum is 42.
The square root of 3213742974 is about 56689.8842299047. The cubic root of 3213742974 is about 1475.7191512191.
The spelling of 3213742974 in words is "three billion, two hundred thirteen million, seven hundred forty-two thousand, nine hundred seventy-four".
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