Base | Representation |
---|---|
bin | 1001000100110… |
… | …00100100001101 |
3 | 12022020102021110 |
4 | 10202120210031 |
5 | 123441404011 |
6 | 11315322233 |
7 | 1613013066 |
oct | 442304415 |
9 | 168212243 |
10 | 76122381 |
11 | 39a72965 |
12 | 215b0379 |
13 | 12a0343a |
14 | a17756d |
15 | 6a39ba6 |
hex | 489890d |
76122381 has 8 divisors (see below), whose sum is σ = 101537824. Its totient is φ = 50727600.
The previous prime is 76122373. The next prime is 76122443. The reversal of 76122381 is 18322167.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 76122381 - 23 = 76122373 is a prime.
It is a super-2 number, since 2×761223812 = 11589233778218322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76122181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8931 + ... + 15231.
It is an arithmetic number, because the mean of its divisors is an integer number (12692228).
Almost surely, 276122381 is an apocalyptic number.
It is an amenable number.
76122381 is a deficient number, since it is larger than the sum of its proper divisors (25415443).
76122381 is a wasteful number, since it uses less digits than its factorization.
76122381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10331.
The product of its digits is 4032, while the sum is 30.
The square root of 76122381 is about 8724.8140954407. The cubic root of 76122381 is about 423.8095980428.
The spelling of 76122381 in words is "seventy-six million, one hundred twenty-two thousand, three hundred eighty-one".
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