Base | Representation |
---|---|
bin | 10110101100110… |
… | …000000000010011 |
3 | 222112121011011021 |
4 | 112230300000103 |
5 | 1234443022330 |
6 | 101442300311 |
7 | 12302666500 |
oct | 2654600023 |
9 | 875534137 |
10 | 380829715 |
11 | 185a72002 |
12 | a7657697 |
13 | 60b8ba36 |
14 | 388144a7 |
15 | 2367867a |
hex | 16b30013 |
380829715 has 48 divisors (see below), whose sum is σ = 559243872. Its totient is φ = 247919616.
The previous prime is 380829703. The next prime is 380829721. The reversal of 380829715 is 517928083.
It is not a de Polignac number, because 380829715 - 213 = 380821523 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 389307 + ... + 390283.
It is an arithmetic number, because the mean of its divisors is an integer number (11650914).
Almost surely, 2380829715 is an apocalyptic number.
380829715 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
380829715 is a deficient number, since it is larger than the sum of its proper divisors (178414157).
380829715 is a wasteful number, since it uses less digits than its factorization.
380829715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1076 (or 1069 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 43.
The square root of 380829715 is about 19514.8588260330. The cubic root of 380829715 is about 724.8424326622.
The spelling of 380829715 in words is "three hundred eighty million, eight hundred twenty-nine thousand, seven hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •