Base | Representation |
---|---|
bin | 1001000100110… |
… | …10001100000111 |
3 | 12022020202101202 |
4 | 10202122030013 |
5 | 123442112111 |
6 | 11315413115 |
7 | 1613041346 |
oct | 442321407 |
9 | 168222352 |
10 | 76129031 |
11 | 39a77960 |
12 | 215b419b |
13 | 12a06484 |
14 | a179b5d |
15 | 6a3bb3b |
hex | 489a307 |
76129031 has 8 divisors (see below), whose sum is σ = 85914000. Its totient is φ = 66821440.
The previous prime is 76129021. The next prime is 76129033. The reversal of 76129031 is 13092167.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 76129031 - 26 = 76128967 is a prime.
It is a super-2 number, since 2×761290312 = 11591258721997922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 76128985 and 76129003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76129033) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 119006 + ... + 119643.
It is an arithmetic number, because the mean of its divisors is an integer number (10739250).
Almost surely, 276129031 is an apocalyptic number.
76129031 is a deficient number, since it is larger than the sum of its proper divisors (9784969).
76129031 is a wasteful number, since it uses less digits than its factorization.
76129031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238689.
The product of its (nonzero) digits is 2268, while the sum is 29.
The square root of 76129031 is about 8725.1951840632. The cubic root of 76129031 is about 423.8219389239.
It can be divided in two parts, 761 and 29031, that added together give a palindrome (29792).
The spelling of 76129031 in words is "seventy-six million, one hundred twenty-nine thousand, thirty-one".
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