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45280347 = 372156207
BaseRepresentation
bin1010110010111…
…0110001011011
310011012110221220
42230232301123
543042432342
64254303123
71056606450
oct254566133
9104173856
1045280347
1123617882
12131b7aa3
1394c5108
146029827
153e965ec
hex2b2ec5b

45280347 has 8 divisors (see below), whose sum is σ = 68998656. Its totient is φ = 25874472.

The previous prime is 45280337. The next prime is 45280357. The reversal of 45280347 is 74308254.

It is an interprime number because it is at equal distance from previous prime (45280337) and next prime (45280357).

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

It is not a de Polignac number, because 45280347 - 28 = 45280091 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45280337) 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, 1078083 + ... + 1078124.

It is an arithmetic number, because the mean of its divisors is an integer number (8624832).

Almost surely, 245280347 is an apocalyptic number.

45280347 is a deficient number, since it is larger than the sum of its proper divisors (23718309).

45280347 is a wasteful number, since it uses less digits than its factorization.

45280347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156217.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 45280347 is about 6729.0673202161. The cubic root of 45280347 is about 356.4264421148.

The spelling of 45280347 in words is "forty-five million, two hundred eighty thousand, three hundred forty-seven".

Divisors: 1 3 7 21 2156207 6468621 15093449 45280347