Base | Representation |
---|---|
bin | 10110101011111… |
… | …110000010101010 |
3 | 222112012202102200 |
4 | 112223332002222 |
5 | 1234420000231 |
6 | 101434041030 |
7 | 12301155033 |
oct | 2653760252 |
9 | 875182380 |
10 | 380625066 |
11 | 185942278 |
12 | a7579176 |
13 | 60b19843 |
14 | 3879da8a |
15 | 23637be6 |
hex | 16afe0aa |
380625066 has 24 divisors (see below), whose sum is σ = 835987620. Its totient is φ = 125136576.
The previous prime is 380625061. The next prime is 380625073. The reversal of 380625066 is 660526083.
It can be written as a sum of positive squares in 2 ways, for example, as 323244441 + 57380625 = 17979^2 + 7575^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 380625066.
It is not an unprimeable number, because it can be changed into a prime (380625061) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143521 + ... + 146148.
Almost surely, 2380625066 is an apocalyptic number.
380625066 is an abundant number, since it is smaller than the sum of its proper divisors (455362554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380625066 is a wasteful number, since it uses less digits than its factorization.
380625066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289750 (or 289747 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 380625066 is about 19509.6147066004. The cubic root of 380625066 is about 724.7125715963.
The spelling of 380625066 in words is "three hundred eighty million, six hundred twenty-five thousand, sixty-six".
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