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45028415 = 523338651
BaseRepresentation
bin1010101111000…
…1010000111111
310010201200101002
42223301100333
543011402130
64245040515
71054510115
oct253612077
9103650332
1045028415
1123465573
12130b613b
139437543
145da1ab5
153e46b45
hex2af143f

45028415 has 8 divisors (see below), whose sum is σ = 54267408. Its totient is φ = 35867200.

The previous prime is 45028409. The next prime is 45028447. The reversal of 45028415 is 51482054.

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

It is a de Polignac number, because none of the positive numbers 2k-45028415 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 18161 + ... + 20490.

It is an arithmetic number, because the mean of its divisors is an integer number (6783426).

Almost surely, 245028415 is an apocalyptic number.

45028415 is a deficient number, since it is larger than the sum of its proper divisors (9238993).

45028415 is a wasteful number, since it uses less digits than its factorization.

45028415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38889.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 45028415 is about 6710.3215273189. The cubic root of 45028415 is about 355.7641807138.

The spelling of 45028415 in words is "forty-five million, twenty-eight thousand, four hundred fifteen".

Divisors: 1 5 233 1165 38651 193255 9005683 45028415