Base | Representation |
---|---|
bin | 10110101100011… |
… | …001100100010100 |
3 | 222112102111002110 |
4 | 112230121210110 |
5 | 1234432102222 |
6 | 101440311020 |
7 | 12302134530 |
oct | 2654314424 |
9 | 875374073 |
10 | 380737812 |
11 | 185a09a54 |
12 | a7612470 |
13 | 60b58c60 |
14 | 387ccbc0 |
15 | 2365b30c |
hex | 16b19914 |
380737812 has 48 divisors (see below), whose sum is σ = 1093404032. Its totient is φ = 100414080.
The previous prime is 380737811. The next prime is 380737813. The reversal of 380737812 is 218737083.
It is an interprime number because it is at equal distance from previous prime (380737811) and next prime (380737813).
It is a super-2 number, since 2×3807378122 = 289922562973094688, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380737811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173239 + ... + 175422.
Almost surely, 2380737812 is an apocalyptic number.
It is an amenable number.
380737812 is an abundant number, since it is smaller than the sum of its proper divisors (712666220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380737812 is a wasteful number, since it uses less digits than its factorization.
380737812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348688 (or 348686 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 39.
The square root of 380737812 is about 19512.5039910310. The cubic root of 380737812 is about 724.7841209017.
The spelling of 380737812 in words is "three hundred eighty million, seven hundred thirty-seven thousand, eight hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •