Base | Representation |
---|---|
bin | 1001000110111… |
… | …00101011011001 |
3 | 12022202120222100 |
4 | 10203130223121 |
5 | 124024320434 |
6 | 11325314013 |
7 | 1615254342 |
oct | 443345331 |
9 | 168676870 |
10 | 76401369 |
11 | 3a143530 |
12 | 21705909 |
13 | 12aa0415 |
14 | a20b0c9 |
15 | 6a92699 |
hex | 48dcad9 |
76401369 has 24 divisors (see below), whose sum is σ = 120931200. Its totient is φ = 46095840.
The previous prime is 76401359. The next prime is 76401379. The reversal of 76401369 is 96310467.
76401369 is a `hidden beast` number, since 7 + 640 + 1 + 3 + 6 + 9 = 666.
It is an interprime number because it is at equal distance from previous prime (76401359) and next prime (76401379).
It is not a de Polignac number, because 76401369 - 212 = 76397273 is a prime.
It is a super-2 number, since 2×764013692 = 11674338370148322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (76401359) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22047 + ... + 25275.
It is an arithmetic number, because the mean of its divisors is an integer number (5038800).
Almost surely, 276401369 is an apocalyptic number.
It is an amenable number.
76401369 is a deficient number, since it is larger than the sum of its proper divisors (44529831).
76401369 is a wasteful number, since it uses less digits than its factorization.
76401369 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3485 (or 3482 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 76401369 is about 8740.7876647359. The cubic root of 76401369 is about 424.3267198891.
It can be divided in two parts, 7640 and 1369, that added together give a palindrome (9009).
The spelling of 76401369 in words is "seventy-six million, four hundred one thousand, three hundred sixty-nine".
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