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10245240 = 23325149191
BaseRepresentation
bin100111000101…
…010001111000
3201021111211100
4213011101320
510110321430
61003331400
7153040335
oct47052170
921244740
1010245240
115868445
123520b60
132179395
14150998c
15d75960
hex9c5478

10245240 has 96 divisors (see below), whose sum is σ = 33696000. Its totient is φ = 2699520.

The previous prime is 10245239. The next prime is 10245251. The reversal of 10245240 is 4254201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53545 + ... + 53735.

It is an arithmetic number, because the mean of its divisors is an integer number (351000).

Almost surely, 210245240 is an apocalyptic number.

10245240 is a gapful number since it is divisible by the number (10) 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 10245240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16848000).

10245240 is an abundant number, since it is smaller than the sum of its proper divisors (23450760).

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

10245240 is a wasteful number, since it uses less digits than its factorization.

10245240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 10245240 is about 3200.8186452844. The cubic root of 10245240 is about 217.1904435017.

Adding to 10245240 its reverse (4254201), we get a palindrome (14499441).

The spelling of 10245240 in words is "ten million, two hundred forty-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 149 180 191 298 360 382 447 573 596 745 764 894 955 1146 1192 1341 1490 1528 1719 1788 1910 2235 2292 2682 2865 2980 3438 3576 3820 4470 4584 5364 5730 5960 6705 6876 7640 8595 8940 10728 11460 13410 13752 17190 17880 22920 26820 28459 34380 53640 56918 68760 85377 113836 142295 170754 227672 256131 284590 341508 426885 512262 569180 683016 853770 1024524 1138360 1280655 1707540 2049048 2561310 3415080 5122620 10245240