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4248660 = 2235132419
BaseRepresentation
bin10000001101010001010100
321222212001210
4100031101110
52041424120
6231021420
751053523
oct20152124
97885053
104248660
112442099
12150a870
13b59b00
147c84ba
1558dce0
hex40d454

4248660 has 72 divisors (see below), whose sum is σ = 12912480. Its totient is φ = 1043328.

The previous prime is 4248631. The next prime is 4248661. The reversal of 4248660 is 668424.

It is a super-2 number, since 2×42486602 = 36102223591200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4248661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9931 + ... + 10349.

It is an arithmetic number, because the mean of its divisors is an integer number (179340).

Almost surely, 24248660 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 4248660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6456240).

4248660 is an abundant number, since it is smaller than the sum of its proper divisors (8663820).

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

4248660 is a wasteful number, since it uses less digits than its factorization.

4248660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 4248660 is about 2061.2277894498. The cubic root of 4248660 is about 161.9635644320.

The spelling of 4248660 in words is "four million, two hundred forty-eight thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 169 195 260 338 390 419 507 676 780 838 845 1014 1257 1676 1690 2028 2095 2514 2535 3380 4190 5028 5070 5447 6285 8380 10140 10894 12570 16341 21788 25140 27235 32682 54470 65364 70811 81705 108940 141622 163410 212433 283244 326820 354055 424866 708110 849732 1062165 1416220 2124330 4248660