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4240740 = 2235723439
BaseRepresentation
bin10000001011010101100100
321222110012110
4100023111210
52041200430
6230521020
751021450
oct20132544
97873173
104240740
112437149
121506170
13b5631a
147c5660
1558b7b0
hex40b564

4240740 has 96 divisors (see below), whose sum is σ = 14192640. Its totient is φ = 925056.

The previous prime is 4240729. The next prime is 4240741. The reversal of 4240740 is 470424.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (4240741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9441 + ... + 9879.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

Almost surely, 24240740 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 4240740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7096320).

4240740 is an abundant number, since it is smaller than the sum of its proper divisors (9951900).

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

4240740 is a wasteful number, since it uses less digits than its factorization.

4240740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4240740 is about 2059.3057082425. The cubic root of 4240740 is about 161.8628621460.

The spelling of 4240740 in words is "four million, two hundred forty thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 42 46 60 69 70 84 92 105 115 138 140 161 210 230 276 322 345 420 439 460 483 644 690 805 878 966 1317 1380 1610 1756 1932 2195 2415 2634 3073 3220 4390 4830 5268 6146 6585 8780 9219 9660 10097 12292 13170 15365 18438 20194 26340 30291 30730 36876 40388 46095 50485 60582 61460 70679 92190 100970 121164 141358 151455 184380 201940 212037 282716 302910 353395 424074 605820 706790 848148 1060185 1413580 2120370 4240740