Base | Representation |
---|---|
bin | 111001010011… |
… | …1010101011100 |
3 | 2002112110201111 |
4 | 1302213111130 |
5 | 30142424112 |
6 | 2551551404 |
7 | 513245206 |
oct | 162472534 |
9 | 62473644 |
10 | 30045532 |
11 | 15a61720 |
12 | a08b564 |
13 | 62bc92a |
14 | 3dc1776 |
15 | 29875a7 |
hex | 1ca755c |
30045532 has 24 divisors (see below), whose sum is σ = 57560832. Its totient is φ = 13609200.
The previous prime is 30045529. The next prime is 30045551. The reversal of 30045532 is 23554003.
It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13533 + ... + 15595.
It is an arithmetic number, because the mean of its divisors is an integer number (2398368).
Almost surely, 230045532 is an apocalyptic number.
It is an amenable number.
30045532 is a deficient number, since it is larger than the sum of its proper divisors (27515300).
30045532 is a wasteful number, since it uses less digits than its factorization.
30045532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2409 (or 2407 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 22.
The square root of 30045532 is about 5481.3804830535. The cubic root of 30045532 is about 310.8803694789.
Adding to 30045532 its reverse (23554003), we get a palindrome (53599535).
The spelling of 30045532 in words is "thirty million, forty-five thousand, five hundred thirty-two".
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