Search a number
-
+
45279661 = 717936137
BaseRepresentation
bin1010110010111…
…0100110101101
310011012110000111
42230232212231
543042422121
64254300021
71056604450
oct254564655
9104173014
1045279661
1123617309
12131b7611
1394c49cb
146029497
153e962e1
hex2b2e9ad

45279661 has 8 divisors (see below), whose sum is σ = 52038720. Its totient is φ = 38593248.

The previous prime is 45279631. The next prime is 45279671. The reversal of 45279661 is 16697254.

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 45279661 - 29 = 45279149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45279631) 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, 16816 + ... + 19321.

It is an arithmetic number, because the mean of its divisors is an integer number (6504840).

Almost surely, 245279661 is an apocalyptic number.

It is an amenable number.

45279661 is a deficient number, since it is larger than the sum of its proper divisors (6759059).

45279661 is a wasteful number, since it uses less digits than its factorization.

45279661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36323.

The product of its digits is 90720, while the sum is 40.

The square root of 45279661 is about 6729.0163471343. The cubic root of 45279661 is about 356.4246421450.

The spelling of 45279661 in words is "forty-five million, two hundred seventy-nine thousand, six hundred sixty-one".

Divisors: 1 7 179 1253 36137 252959 6468523 45279661