Base | Representation |
---|---|
bin | 1001100100010… |
… | …01011000001111 |
3 | 12121000100110010 |
4 | 10302021120033 |
5 | 131021120404 |
6 | 11544044303 |
7 | 1663103034 |
oct | 462113017 |
9 | 177010403 |
10 | 80254479 |
11 | 41335418 |
12 | 22a63693 |
13 | 1381c176 |
14 | a93138b |
15 | 70a4189 |
hex | 4c8960f |
80254479 has 4 divisors (see below), whose sum is σ = 107005976. Its totient is φ = 53502984.
The previous prime is 80254477. The next prime is 80254487. The reversal of 80254479 is 97445208.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 80254479 - 21 = 80254477 is a prime.
It is a super-2 number, since 2×802544792 = 12881562799122882, 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 (80254477) 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, 13375744 + ... + 13375749.
It is an arithmetic number, because the mean of its divisors is an integer number (26751494).
Almost surely, 280254479 is an apocalyptic number.
80254479 is a deficient number, since it is larger than the sum of its proper divisors (26751497).
80254479 is a wasteful number, since it uses less digits than its factorization.
80254479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26751496.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 80254479 is about 8958.4864234981. The cubic root of 80254479 is about 431.3433364033.
The spelling of 80254479 in words is "eighty million, two hundred fifty-four thousand, four hundred seventy-nine".
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