Base | Representation |
---|---|
bin | 111010110100… |
… | …1101010010000 |
3 | 2011000220120100 |
4 | 1311221222100 |
5 | 30343411423 |
6 | 3021012400 |
7 | 523101606 |
oct | 165515220 |
9 | 64026510 |
10 | 30841488 |
11 | 16455737 |
12 | a3b4100 |
13 | 650b002 |
14 | 414b876 |
15 | 2a93343 |
hex | 1d69a90 |
30841488 has 30 divisors (see below), whose sum is σ = 86313734. Its totient is φ = 10280448.
The previous prime is 30841469. The next prime is 30841513. The reversal of 30841488 is 88414803.
It can be written as a sum of positive squares in only one way, i.e., 29942784 + 898704 = 5472^2 + 948^2 .
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106945 + ... + 107232.
Almost surely, 230841488 is an apocalyptic number.
It is an amenable number.
30841488 is an abundant number, since it is smaller than the sum of its proper divisors (55472246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30841488 is a wasteful number, since it uses less digits than its factorization.
30841488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214191 (or 214182 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 36.
The square root of 30841488 is about 5553.5113216775. The cubic root of 30841488 is about 313.6017236647.
It can be divided in two parts, 30841 and 488, that added together give a square (31329 = 1772).
The spelling of 30841488 in words is "thirty million, eight hundred forty-one thousand, four hundred eighty-eight".
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