Base | Representation |
---|---|
bin | 111010101100… |
… | …1010011010000 |
3 | 2010220111122120 |
4 | 1311121103100 |
5 | 30334240410 |
6 | 3015334240 |
7 | 522402342 |
oct | 165312320 |
9 | 63814576 |
10 | 30774480 |
11 | 1640a360 |
12 | a381380 |
13 | 64b6669 |
14 | 4131292 |
15 | 2a7d570 |
hex | 1d594d0 |
30774480 has 80 divisors (see below), whose sum is σ = 104082624. Its totient is φ = 7459840.
The previous prime is 30774463. The next prime is 30774517. The reversal of 30774480 is 8447703.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3189 + ... + 8468.
Almost surely, 230774480 is an apocalyptic number.
30774480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30774480 is an abundant number, since it is smaller than the sum of its proper divisors (73308144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30774480 is a wasteful number, since it uses less digits than its factorization.
30774480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11684 (or 11678 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 33.
The square root of 30774480 is about 5547.4751013411. The cubic root of 30774480 is about 313.3744425716.
It can be divided in two parts, 3077 and 4480, that added together give a palindrome (7557).
The spelling of 30774480 in words is "thirty million, seven hundred seventy-four thousand, four hundred eighty".
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