Base | Representation |
---|---|
bin | 10110101100001… |
… | …101010111101010 |
3 | 222112022221120000 |
4 | 112230031113222 |
5 | 1234424002400 |
6 | 101435243430 |
7 | 12301536054 |
oct | 2654152752 |
9 | 875287500 |
10 | 380687850 |
11 | 185985464 |
12 | a75a9576 |
13 | 60b3c2aa |
14 | 387b88d4 |
15 | 2364b600 |
hex | 16b0d5ea |
380687850 has 60 divisors (see below), whose sum is σ = 1057759494. Its totient is φ = 101515680.
The previous prime is 380687837. The next prime is 380687869. The reversal of 380687850 is 58786083.
It can be written as a sum of positive squares in 3 ways, for example, as 365077449 + 15610401 = 19107^2 + 3951^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 380687796 and 380687805.
It is an unprimeable number.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 42949 + ... + 51048.
Almost surely, 2380687850 is an apocalyptic number.
380687850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
380687850 is an abundant number, since it is smaller than the sum of its proper divisors (677071644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380687850 is a wasteful number, since it uses less digits than its factorization.
380687850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94021 (or 94007 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 380687850 is about 19511.2236930440. The cubic root of 380687850 is about 724.7524164521.
The spelling of 380687850 in words is "three hundred eighty million, six hundred eighty-seven thousand, eight hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •