Base | Representation |
---|---|
bin | 111001101011… |
… | …1010100110100 |
3 | 2002220110100210 |
4 | 1303113110310 |
5 | 30220221400 |
6 | 3000105420 |
7 | 515024250 |
oct | 163272464 |
9 | 62813323 |
10 | 30242100 |
11 | 16086379 |
12 | a165270 |
13 | 635b245 |
14 | 4033260 |
15 | 29c5950 |
hex | 1cd7534 |
30242100 has 72 divisors (see below), whose sum is σ = 100007488. Its totient is φ = 6912000.
The previous prime is 30242089. The next prime is 30242119. The reversal of 30242100 is 124203.
It is a super-2 number, since 2×302421002 = 1829169224820000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5101 + ... + 9300.
Almost surely, 230242100 is an apocalyptic number.
30242100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30242100 is an abundant number, since it is smaller than the sum of its proper divisors (69765388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30242100 is a wasteful number, since it uses less digits than its factorization.
30242100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14425 (or 14418 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 30242100 is about 5499.2817712861. The cubic root of 30242100 is about 311.5568577415.
Adding to 30242100 its reverse (124203), we get a palindrome (30366303).
It can be divided in two parts, 3024 and 2100, that multiplied together give a square (6350400 = 25202).
The spelling of 30242100 in words is "thirty million, two hundred forty-two thousand, one hundred".
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