Base | Representation |
---|---|
bin | 1110010110110… |
… | …10011100010001 |
3 | 22101121121012022 |
4 | 13023122130101 |
5 | 221312314101 |
6 | 15541141225 |
7 | 2661441605 |
oct | 713323421 |
9 | 271547168 |
10 | 120432401 |
11 | 61a87711 |
12 | 343ba815 |
13 | 1bc4899b |
14 | 11dcd505 |
15 | a88da1b |
hex | 72da711 |
120432401 has 4 divisors (see below), whose sum is σ = 122128704. Its totient is φ = 118736100.
The previous prime is 120432391. The next prime is 120432409. The reversal of 120432401 is 104234021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 120432401 - 26 = 120432337 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 120432401.
It is not an unprimeable number, because it can be changed into a prime (120432409) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848045 + ... + 848186.
It is an arithmetic number, because the mean of its divisors is an integer number (30532176).
Almost surely, 2120432401 is an apocalyptic number.
It is an amenable number.
120432401 is a deficient number, since it is larger than the sum of its proper divisors (1696303).
120432401 is an equidigital number, since it uses as much as digits as its factorization.
120432401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1696302.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 120432401 is about 10974.1697180242. The cubic root of 120432401 is about 493.8341450140.
Adding to 120432401 its reverse (104234021), we get a palindrome (224666422).
The spelling of 120432401 in words is "one hundred twenty million, four hundred thirty-two thousand, four hundred one".
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