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45000318 = 2311681823
BaseRepresentation
bin1010101110101…
…0011001111110
310010200020211110
42223222121332
543010002233
64244302450
71054332156
oct253523176
9103606743
1045000318
1123446450
12130a1a26
13942780c
145d95766
153e3d663
hex2aea67e

45000318 has 16 divisors (see below), whose sum is σ = 98182656. Its totient is φ = 13636440.

The previous prime is 45000311. The next prime is 45000353. The reversal of 45000318 is 81300054.

It is a super-2 number, since 2×450003182 = 4050057240202248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45000294 and 45000303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45000311) 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, 340846 + ... + 340977.

It is an arithmetic number, because the mean of its divisors is an integer number (6136416).

Almost surely, 245000318 is an apocalyptic number.

45000318 is an abundant number, since it is smaller than the sum of its proper divisors (53182338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45000318 is a wasteful number, since it uses less digits than its factorization.

45000318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681839.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 45000318 is about 6708.2276347781. The cubic root of 45000318 is about 355.6901682930.

The spelling of 45000318 in words is "forty-five million, three hundred eighteen", and thus it is an aban number.

Divisors: 1 2 3 6 11 22 33 66 681823 1363646 2045469 4090938 7500053 15000106 22500159 45000318