Base | Representation |
---|---|
bin | 10010100110100… |
… | …100111100010000 |
3 | 210202021110101020 |
4 | 102212210330100 |
5 | 1114344241142 |
6 | 50545235440 |
7 | 10506554220 |
oct | 2246447420 |
9 | 722243336 |
10 | 312102672 |
11 | 1501a03a2 |
12 | 88632b80 |
13 | 4c87774b |
14 | 2d644080 |
15 | 1c5eecec |
hex | 129a4f10 |
312102672 has 80 divisors (see below), whose sum is σ = 924321792. Its totient is φ = 88894080.
The previous prime is 312102649. The next prime is 312102689. The reversal of 312102672 is 276201213.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122047 + ... + 124577.
Almost surely, 2312102672 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 312102672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462160896).
312102672 is an abundant number, since it is smaller than the sum of its proper divisors (612219120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312102672 is a wasteful number, since it uses less digits than its factorization.
312102672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2916 (or 2910 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 312102672 is about 17666.4278222848. The cubic root of 312102672 is about 678.3166784053.
Adding to 312102672 its reverse (276201213), we get a palindrome (588303885).
The spelling of 312102672 in words is "three hundred twelve million, one hundred two thousand, six hundred seventy-two".
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