Base | Representation |
---|---|
bin | 1001000111001… |
… | …10011101010111 |
3 | 12022211121221010 |
4 | 10203212131113 |
5 | 124032111211 |
6 | 11330223303 |
7 | 1615512213 |
oct | 443463527 |
9 | 168747833 |
10 | 76441431 |
11 | 3a170640 |
12 | 21724b33 |
13 | 12ab5721 |
14 | a21b943 |
15 | 6a9e4a6 |
hex | 48e6757 |
76441431 has 8 divisors (see below), whose sum is σ = 111187584. Its totient is φ = 46328120.
The previous prime is 76441429. The next prime is 76441441. The reversal of 76441431 is 13414467.
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 76441431 - 21 = 76441429 is a prime.
It is a super-2 number, since 2×764414312 = 11686584746655522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76441441) 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, 1158171 + ... + 1158236.
It is an arithmetic number, because the mean of its divisors is an integer number (13898448).
Almost surely, 276441431 is an apocalyptic number.
76441431 is a deficient number, since it is larger than the sum of its proper divisors (34746153).
76441431 is a wasteful number, since it uses less digits than its factorization.
76441431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2316421.
The product of its digits is 8064, while the sum is 30.
The square root of 76441431 is about 8743.0790342991. The cubic root of 76441431 is about 424.4008739122.
Adding to 76441431 its reverse (13414467), we get a palindrome (89855898).
It can be divided in two parts, 764 and 41431, that added together give a triangular number (42195 = T290).
The spelling of 76441431 in words is "seventy-six million, four hundred forty-one thousand, four hundred thirty-one".
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