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45060020 = 225192792
BaseRepresentation
bin1010101111100…
…0111110110100
310010210021201122
42223320332310
543013410040
64245443112
71055001215
oct253707664
9103707648
1045060020
1123487295
1213110498
139448a45
145dad40c
153e511b5
hex2af8fb4

45060020 has 54 divisors (see below), whose sum is σ = 101148642. Its totient is φ = 16859232.

The previous prime is 45059977. The next prime is 45060083. The reversal of 45060020 is 2006054.

It can be written as a sum of positive squares in only one way, i.e., 36048016 + 9012004 = 6004^2 + 3002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 570341 + ... + 570419.

It is an arithmetic number, because the mean of its divisors is an integer number (1873123).

Almost surely, 245060020 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 45060020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50574321).

45060020 is an abundant number, since it is smaller than the sum of its proper divisors (56088622).

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

45060020 is a wasteful number, since it uses less digits than its factorization.

45060020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 45060020 is about 6712.6760684544. The cubic root of 45060020 is about 355.8473970362.

Adding to 45060020 its reverse (2006054), we get a palindrome (47066074).

The spelling of 45060020 in words is "forty-five million, sixty thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 79 95 158 190 316 361 380 395 722 790 1444 1501 1580 1805 3002 3610 6004 6241 7220 7505 12482 15010 24964 28519 30020 31205 57038 62410 114076 118579 124820 142595 237158 285190 474316 570380 592895 1185790 2253001 2371580 4506002 9012004 11265005 22530010 45060020