Base | Representation |
---|---|
bin | 111001011000… |
… | …1101101000010 |
3 | 2002121121222110 |
4 | 1302301231002 |
5 | 30200304002 |
6 | 2552520150 |
7 | 513513060 |
oct | 162615502 |
9 | 62547873 |
10 | 30088002 |
11 | 15a9061a |
12 | a0b0056 |
13 | 6306069 |
14 | 3dd3030 |
15 | 2994e6c |
hex | 1cb1b42 |
30088002 has 32 divisors (see below), whose sum is σ = 71764992. Its totient is φ = 8222544.
The previous prime is 30087997. The next prime is 30088021. The reversal of 30088002 is 20088003.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 30088002.
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, 14608 + ... + 16539.
It is an arithmetic number, because the mean of its divisors is an integer number (2242656).
Almost surely, 230088002 is an apocalyptic number.
30088002 is an abundant number, since it is smaller than the sum of its proper divisors (41676990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30088002 is a wasteful number, since it uses less digits than its factorization.
30088002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31182.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 30088002 is about 5485.2531390994. The cubic root of 30088002 is about 311.0267791927.
Subtracting from 30088002 its reverse (20088003), we obtain a palindrome (9999999).
The spelling of 30088002 in words is "thirty million, eighty-eight thousand, two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •