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45805500 = 2235531329
BaseRepresentation
bin1010111010111…
…0111110111100
310012012011100000
42232232332330
543211234000
64313434300
71064224506
oct256567674
9105164300
1045805500
1123946394
121340b990
13964a160
146124d76
15404c000
hex2baefbc

45805500 has 288 divisors, whose sum is σ = 166944960. Its totient is φ = 10886400.

The previous prime is 45805483. The next prime is 45805511. The reversal of 45805500 is 550854.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1579486 + ... + 1579514.

It is an arithmetic number, because the mean of its divisors is an integer number (579670).

Almost surely, 245805500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45805500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83472480).

45805500 is an abundant number, since it is smaller than the sum of its proper divisors (121139460).

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

45805500 is a wasteful number, since it uses less digits than its factorization.

45805500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 45805500 is about 6767.9760637875. The cubic root of 45805500 is about 357.7990716279.

The spelling of 45805500 in words is "forty-five million, eight hundred five thousand, five hundred".