Base | Representation |
---|---|
bin | 111011001011… |
… | …0010100010001 |
3 | 2011101012110220 |
4 | 1312112110101 |
5 | 30420240101 |
6 | 3024543253 |
7 | 524463102 |
oct | 166262421 |
9 | 64335426 |
10 | 31024401 |
11 | 16570101 |
12 | a481b29 |
13 | 6573345 |
14 | 41983a9 |
15 | 2acc636 |
hex | 1d96511 |
31024401 has 8 divisors (see below), whose sum is σ = 43164480. Its totient is φ = 19783632.
The previous prime is 31024393. The next prime is 31024423. The reversal of 31024401 is 10442013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31024401 - 23 = 31024393 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (31024471) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224746 + ... + 224883.
It is an arithmetic number, because the mean of its divisors is an integer number (5395560).
Almost surely, 231024401 is an apocalyptic number.
It is an amenable number.
31024401 is a deficient number, since it is larger than the sum of its proper divisors (12140079).
31024401 is a wasteful number, since it uses less digits than its factorization.
31024401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 449655.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 31024401 is about 5569.9552062831. The cubic root of 31024401 is about 314.2204660200.
Adding to 31024401 its reverse (10442013), we get a palindrome (41466414).
It can be divided in two parts, 3102 and 4401, that added together give a triangular number (7503 = T122).
The spelling of 31024401 in words is "thirty-one million, twenty-four thousand, four hundred one".
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