Base | Representation |
---|---|
bin | 111001111111… |
… | …0001011010011 |
3 | 2010012112122200 |
4 | 1303332023103 |
5 | 30240314420 |
6 | 3003334243 |
7 | 516256224 |
oct | 163761323 |
9 | 63175580 |
10 | 30401235 |
11 | 16184997 |
12 | a221383 |
13 | 63b57c7 |
14 | 407524b |
15 | 2a07b90 |
hex | 1cfe2d3 |
30401235 has 72 divisors (see below), whose sum is σ = 58865040. Its totient is φ = 14463360.
The previous prime is 30401227. The next prime is 30401249. The reversal of 30401235 is 53210403.
30401235 is a `hidden beast` number, since 30 + 401 + 235 = 666.
It is not a de Polignac number, because 30401235 - 23 = 30401227 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 821637 + ... + 821673.
It is an arithmetic number, because the mean of its divisors is an integer number (817570).
Almost surely, 230401235 is an apocalyptic number.
30401235 is a deficient number, since it is larger than the sum of its proper divisors (28463805).
30401235 is a wasteful number, since it uses less digits than its factorization.
30401235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129 (or 95 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 30401235 is about 5513.7314950948. The cubic root of 30401235 is about 312.1023764135.
Adding to 30401235 its reverse (53210403), we get a palindrome (83611638).
The spelling of 30401235 in words is "thirty million, four hundred one thousand, two hundred thirty-five".
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