Search a number
-
+
45401249 = 438312721
BaseRepresentation
bin1010110100110…
…0010010100001
310011102121210202
42231030102201
543110314444
64301034545
71060622105
oct255142241
9104377722
1045401249
112369a6a3
1213255a55
13953815a
14605b905
153ebc34e
hex2b4c4a1

45401249 has 8 divisors (see below), whose sum is σ = 47020512. Its totient is φ = 43807680.

The previous prime is 45401233. The next prime is 45401281. The reversal of 45401249 is 94210454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45401249 - 24 = 45401233 is a prime.

It is a super-2 number, since 2×454012492 = 4122546821520002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45401219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2792 + ... + 9929.

It is an arithmetic number, because the mean of its divisors is an integer number (5877564).

Almost surely, 245401249 is an apocalyptic number.

It is an amenable number.

45401249 is a deficient number, since it is larger than the sum of its proper divisors (1619263).

45401249 is a wasteful number, since it uses less digits than its factorization.

45401249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12847.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 45401249 is about 6738.0448944779. The cubic root of 45401249 is about 356.7433888387.

The spelling of 45401249 in words is "forty-five million, four hundred one thousand, two hundred forty-nine".

Divisors: 1 43 83 3569 12721 547003 1055843 45401249