Base | Representation |
---|---|
bin | 111001111111… |
… | …0001101100000 |
3 | 2010012112211220 |
4 | 1303332031200 |
5 | 30240321001 |
6 | 3003335040 |
7 | 516256515 |
oct | 163761540 |
9 | 63175756 |
10 | 30401376 |
11 | 16185005 |
12 | a221480 |
13 | 63b58a5 |
14 | 407530c |
15 | 2a07c36 |
hex | 1cfe360 |
30401376 has 24 divisors (see below), whose sum is σ = 79803864. Its totient is φ = 10133760.
The previous prime is 30401369. The next prime is 30401417. The reversal of 30401376 is 67310403.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158245 + ... + 158436.
It is an arithmetic number, because the mean of its divisors is an integer number (3325161).
Almost surely, 230401376 is an apocalyptic number.
It is an amenable number.
30401376 is an abundant number, since it is smaller than the sum of its proper divisors (49402488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30401376 is a wasteful number, since it uses less digits than its factorization.
30401376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316694 (or 316686 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 24.
The square root of 30401376 is about 5513.7442813391. The cubic root of 30401376 is about 312.1028589198.
Adding to 30401376 its reverse (67310403), we get a palindrome (97711779).
The spelling of 30401376 in words is "thirty million, four hundred one thousand, three hundred seventy-six".
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