Base | Representation |
---|---|
bin | 111010011111… |
… | …1101011110000 |
3 | 2010201011201100 |
4 | 1310333223300 |
5 | 30322411202 |
6 | 3013204400 |
7 | 521454414 |
oct | 164775360 |
9 | 63634640 |
10 | 30669552 |
11 | 16348541 |
12 | a330700 |
13 | 647a984 |
14 | 4104d44 |
15 | 2a5c41c |
hex | 1d3faf0 |
30669552 has 60 divisors (see below), whose sum is σ = 86212984. Its totient is φ = 10177920.
The previous prime is 30669539. The next prime is 30669601. The reversal of 30669552 is 25596603.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53427 + ... + 53997.
Almost surely, 230669552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30669552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43106492).
30669552 is an abundant number, since it is smaller than the sum of its proper divisors (55543432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30669552 is a wasteful number, since it uses less digits than its factorization.
30669552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 958 (or 949 counting only the distinct ones).
The product of its (nonzero) digits is 48600, while the sum is 36.
The square root of 30669552 is about 5538.0097508040. The cubic root of 30669552 is about 313.0178787842.
The spelling of 30669552 in words is "thirty million, six hundred sixty-nine thousand, five hundred fifty-two".
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