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45425731 = 138634049
BaseRepresentation
bin1010110101001…
…0010001000011
310011110212101111
42231102101003
543112110411
64301344151
71061053351
oct255222103
9104425344
1045425731
112370702a
1213268057
139546340
1460667d1
153ec4721
hex2b52443

45425731 has 8 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 41872512.

The previous prime is 45425707. The next prime is 45425767. The reversal of 45425731 is 13752454.

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 45425731 - 211 = 45423683 is a prime.

It is a super-2 number, since 2×454257312 = 4126994073768722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45425693 and 45425702.

It is not an unprimeable number, because it can be changed into a prime (45425771) 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, 9195 + ... + 13243.

It is an arithmetic number, because the mean of its divisors is an integer number (6123600).

Almost surely, 245425731 is an apocalyptic number.

45425731 is a deficient number, since it is larger than the sum of its proper divisors (3563069).

45425731 is a wasteful number, since it uses less digits than its factorization.

45425731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925.

The product of its digits is 16800, while the sum is 31.

The square root of 45425731 is about 6739.8613487222. The cubic root of 45425731 is about 356.8075003074.

The spelling of 45425731 in words is "forty-five million, four hundred twenty-five thousand, seven hundred thirty-one".

Divisors: 1 13 863 4049 11219 52637 3494287 45425731