Base | Representation |
---|---|
bin | 111001010100… |
… | …0110001100000 |
3 | 2002112202210201 |
4 | 1302220301200 |
5 | 30143121144 |
6 | 2552034544 |
7 | 513301324 |
oct | 162506140 |
9 | 62482721 |
10 | 30051424 |
11 | 15a66097 |
12 | a092a54 |
13 | 62c2510 |
14 | 3dc3984 |
15 | 29891d4 |
hex | 1ca8c60 |
30051424 has 96 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 12859392.
The previous prime is 30051419. The next prime is 30051433. The reversal of 30051424 is 42415003.
It is a congruent number.
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, 566982 + ... + 567034.
It is an arithmetic number, because the mean of its divisors is an integer number (714420).
Almost surely, 230051424 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 30051424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34292160).
30051424 is an abundant number, since it is smaller than the sum of its proper divisors (38532896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30051424 is a wasteful number, since it uses less digits than its factorization.
30051424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152 (or 144 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 30051424 is about 5481.9179125558. The cubic root of 30051424 is about 310.9006896097.
Adding to 30051424 its reverse (42415003), we get a palindrome (72466427).
The spelling of 30051424 in words is "thirty million, fifty-one thousand, four hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •