Base | Representation |
---|---|
bin | 1001000101111… |
… | …01101001101001 |
3 | 12022112010122101 |
4 | 10202331221221 |
5 | 124011234111 |
6 | 11322453401 |
7 | 1614214666 |
oct | 442755151 |
9 | 168463571 |
10 | 76274281 |
11 | 3a066aa6 |
12 | 21664261 |
13 | 12a57615 |
14 | a1b6a6d |
15 | 6a69bc1 |
hex | 48bda69 |
76274281 has 4 divisors (see below), whose sum is σ = 77014912. Its totient is φ = 75533652.
The previous prime is 76274273. The next prime is 76274287. The reversal of 76274281 is 18247267.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 76274281 - 23 = 76274273 is a prime.
It is a super-2 number, since 2×762742812 = 11635531884133922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 76274281.
It is not an unprimeable number, because it can be changed into a prime (76274287) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370161 + ... + 370366.
It is an arithmetic number, because the mean of its divisors is an integer number (19253728).
Almost surely, 276274281 is an apocalyptic number.
It is an amenable number.
76274281 is a deficient number, since it is larger than the sum of its proper divisors (740631).
76274281 is a wasteful number, since it uses less digits than its factorization.
76274281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 740630.
The product of its digits is 37632, while the sum is 37.
The square root of 76274281 is about 8733.5148136360. The cubic root of 76274281 is about 424.0913106565.
The spelling of 76274281 in words is "seventy-six million, two hundred seventy-four thousand, two hundred eighty-one".
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