Base | Representation |
---|---|
bin | 111010101100… |
… | …1011001000100 |
3 | 2010220112011100 |
4 | 1311121121010 |
5 | 30334243402 |
6 | 3015340100 |
7 | 522403413 |
oct | 165313104 |
9 | 63815140 |
10 | 30774852 |
11 | 1640a669 |
12 | a381630 |
13 | 64b6894 |
14 | 413147a |
15 | 2a7d71c |
hex | 1d59644 |
30774852 has 36 divisors (see below), whose sum is σ = 78152620. Its totient is φ = 10210752.
The previous prime is 30774841. The next prime is 30774853. The reversal of 30774852 is 25847703.
It can be written as a sum of positive squares in 2 ways, for example, as 23677956 + 7096896 = 4866^2 + 2664^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (30774853) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6378 + ... + 10110.
Almost surely, 230774852 is an apocalyptic number.
It is an amenable number.
30774852 is an abundant number, since it is smaller than the sum of its proper divisors (47377768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30774852 is a wasteful number, since it uses less digits than its factorization.
30774852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3972 (or 3967 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
The square root of 30774852 is about 5547.5086300068. The cubic root of 30774852 is about 313.3757052501.
It can be divided in two parts, 30774 and 852, that added together give a triangular number (31626 = T251).
The spelling of 30774852 in words is "thirty million, seven hundred seventy-four thousand, eight hundred fifty-two".
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