Base | Representation |
---|---|
bin | 10010010100111… |
… | …000000100011100 |
3 | 210102112201011100 |
4 | 102110320010130 |
5 | 1112202244203 |
6 | 50301553100 |
7 | 10422246630 |
oct | 2224700434 |
9 | 712481140 |
10 | 307462428 |
11 | 148611089 |
12 | 86b75790 |
13 | 4b911640 |
14 | 2cb96dc0 |
15 | 1bed4ea3 |
hex | 1253811c |
307462428 has 144 divisors (see below), whose sum is σ = 965386240. Its totient is φ = 80341632.
The previous prime is 307462411. The next prime is 307462429. The reversal of 307462428 is 824264703.
307462428 is a `hidden beast` number, since 3 + 0 + 7 + 4 + 624 + 28 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 307462392 and 307462401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (307462429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 415683 + ... + 416421.
Almost surely, 2307462428 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 307462428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482693120).
307462428 is an abundant number, since it is smaller than the sum of its proper divisors (657923812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307462428 is a wasteful number, since it uses less digits than its factorization.
307462428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 896 (or 891 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 36.
The square root of 307462428 is about 17534.6065824130. The cubic root of 307462428 is about 674.9382132745.
The spelling of 307462428 in words is "three hundred seven million, four hundred sixty-two thousand, four hundred twenty-eight".
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