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45003869 = 85952391
BaseRepresentation
bin1010101110101…
…1010001011101
310010200102200222
42223223101131
543010110434
64244331125
71054345421
oct253532135
9103612628
1045003869
1123449089
12130a3aa5
139429311
145d96b81
153e3e72e
hex2aeb45d

45003869 has 4 divisors (see below), whose sum is σ = 45057120. Its totient is φ = 44950620.

The previous prime is 45003859. The next prime is 45003887. The reversal of 45003869 is 96830054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45003869 is a prime.

It is a super-2 number, since 2×450038692 = 4050696449938322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45003809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25337 + ... + 27054.

It is an arithmetic number, because the mean of its divisors is an integer number (11264280).

Almost surely, 245003869 is an apocalyptic number.

It is an amenable number.

45003869 is a deficient number, since it is larger than the sum of its proper divisors (53251).

45003869 is an equidigital number, since it uses as much as digits as its factorization.

45003869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53250.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 45003869 is about 6708.4923045346. The cubic root of 45003869 is about 355.6995239496.

The spelling of 45003869 in words is "forty-five million, three thousand, eight hundred sixty-nine".

Divisors: 1 859 52391 45003869