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45072385 = 543209639
BaseRepresentation
bin1010101111110…
…0000000000001
310010210220200121
42223330000001
543014304020
64250020241
71055052241
oct253740001
9103726617
1045072385
1123495606
1213117681
139451567
145db3b21
153e54baa
hex2afc001

45072385 has 8 divisors (see below), whose sum is σ = 55344960. Its totient is φ = 35219184.

The previous prime is 45072373. The next prime is 45072397. The reversal of 45072385 is 58327054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45072373) and next prime (45072397).

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 45072385 - 25 = 45072353 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 45072385.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104605 + ... + 105034.

It is an arithmetic number, because the mean of its divisors is an integer number (6918120).

It is a Proth number, since it is equal to 2751 ⋅ 214 + 1 and 2751 < 214.

Almost surely, 245072385 is an apocalyptic number.

It is an amenable number.

45072385 is a deficient number, since it is larger than the sum of its proper divisors (10272575).

45072385 is a wasteful number, since it uses less digits than its factorization.

45072385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209687.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 45072385 is about 6713.5970239507. The cubic root of 45072385 is about 355.8799436311.

The spelling of 45072385 in words is "forty-five million, seventy-two thousand, three hundred eighty-five".

Divisors: 1 5 43 215 209639 1048195 9014477 45072385