Base | Representation |
---|---|
bin | 1001011101101… |
… | …00000011000011 |
3 | 12112100221211000 |
4 | 10232310003003 |
5 | 130310140200 |
6 | 11513223043 |
7 | 1652503353 |
oct | 456640303 |
9 | 175327730 |
10 | 79380675 |
11 | 40898970 |
12 | 22701a83 |
13 | 135a451a |
14 | a784b63 |
15 | 6e80300 |
hex | 4bb40c3 |
79380675 has 48 divisors (see below), whose sum is σ = 159096960. Its totient is φ = 38484000.
The previous prime is 79380673. The next prime is 79380713. The reversal of 79380675 is 57608397.
It is a happy number.
It is not a de Polignac number, because 79380675 - 21 = 79380673 is a prime.
It is a super-3 number, since 3×793806753 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 79380675.
It is not an unprimeable number, because it can be changed into a prime (79380673) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2080 + ... + 12770.
It is an arithmetic number, because the mean of its divisors is an integer number (3314520).
Almost surely, 279380675 is an apocalyptic number.
79380675 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
79380675 is an abundant number, since it is smaller than the sum of its proper divisors (79716285).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79380675 is a wasteful number, since it uses less digits than its factorization.
79380675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10721 (or 10710 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The square root of 79380675 is about 8909.5833235904. The cubic root of 79380675 is about 429.7721435675.
It can be divided in two parts, 793806 and 75, that added together give a square (793881 = 8912).
The spelling of 79380675 in words is "seventy-nine million, three hundred eighty thousand, six hundred seventy-five".
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