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45284939 = 713747221
BaseRepresentation
bin1010110010111…
…1111001001011
310011012201020222
42230233321023
543043104224
64254340255
71056626030
oct254577113
9104181228
1045284939
1123620277
12131ba68b
1394c722b
14602b387
153e97b5e
hex2b2fe4b

45284939 has 8 divisors (see below), whose sum is σ = 52133088. Its totient is φ = 38531520.

The previous prime is 45284909. The next prime is 45284959. The reversal of 45284939 is 93948254.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45284939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45284939.

It is not an unprimeable number, because it can be changed into a prime (45284909) 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, 22652 + ... + 24569.

It is an arithmetic number, because the mean of its divisors is an integer number (6516636).

Almost surely, 245284939 is an apocalyptic number.

45284939 is a deficient number, since it is larger than the sum of its proper divisors (6848149).

45284939 is a wasteful number, since it uses less digits than its factorization.

45284939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47365.

The product of its digits is 311040, while the sum is 44.

The square root of 45284939 is about 6729.4085178417. The cubic root of 45284939 is about 356.4384904242.

The spelling of 45284939 in words is "forty-five million, two hundred eighty-four thousand, nine hundred thirty-nine".

Divisors: 1 7 137 959 47221 330547 6469277 45284939