Base | Representation |
---|---|
bin | 10110101100010… |
… | …101110101010000 |
3 | 222112101201002210 |
4 | 112230111311100 |
5 | 1234431110022 |
6 | 101440112120 |
7 | 12302042112 |
oct | 2654256520 |
9 | 875351083 |
10 | 380722512 |
11 | 1859a9505 |
12 | a7605640 |
13 | 60b51cc1 |
14 | 387c73b2 |
15 | 23656a0c |
hex | 16b15d50 |
380722512 has 20 divisors (see below), whose sum is σ = 983533280. Its totient is φ = 126907488.
The previous prime is 380722499. The next prime is 380722543. The reversal of 380722512 is 215227083.
It is a super-2 number, since 2×3807225122 = 289899262287180288, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 380722512.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3965812 + ... + 3965907.
It is an arithmetic number, because the mean of its divisors is an integer number (49176664).
Almost surely, 2380722512 is an apocalyptic number.
It is an amenable number.
380722512 is an abundant number, since it is smaller than the sum of its proper divisors (602810768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380722512 is a wasteful number, since it uses less digits than its factorization.
380722512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7931730 (or 7931724 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 380722512 is about 19512.1119307983. Note that the first 3 decimals coincide. The cubic root of 380722512 is about 724.7744122559.
Adding to 380722512 its reverse (215227083), we get a palindrome (595949595).
The spelling of 380722512 in words is "three hundred eighty million, seven hundred twenty-two thousand, five hundred twelve".
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