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4245240 = 2335172081
BaseRepresentation
bin10000001100011011111000
321222200101010
4100030123320
52041321430
6230553520
751040536
oct20143370
97880333
104245240
11243a56a
1215088a0
13b5839c
147c7156
1558ccb0
hex40c6f8

4245240 has 64 divisors (see below), whose sum is σ = 13491360. Its totient is φ = 1064960.

The previous prime is 4245239. The next prime is 4245259. The reversal of 4245240 is 425424.

4245240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000 + ... + 3080.

Almost surely, 24245240 is an apocalyptic number.

4245240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6745680).

4245240 is an abundant number, since it is smaller than the sum of its proper divisors (9246120).

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

4245240 is a wasteful number, since it uses less digits than its factorization.

4245240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4245240 is about 2060.3980198010. The cubic root of 4245240 is about 161.9200947197.

The spelling of 4245240 in words is "four million, two hundred forty-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 340 408 510 680 1020 2040 2081 4162 6243 8324 10405 12486 16648 20810 24972 31215 35377 41620 49944 62430 70754 83240 106131 124860 141508 176885 212262 249720 283016 353770 424524 530655 707540 849048 1061310 1415080 2122620 4245240