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15068040 = 2335132743
BaseRepresentation
bin111001011110…
…101110001000
31001100112110120
4321132232020
512324134130
61254543240
7242035101
oct71365610
931315416
1015068040
118561929
125067b20
133177600
1420033a8
1514c9910
hexe5eb88

15068040 has 96 divisors (see below), whose sum is σ = 49014720. Its totient is φ = 3704064.

The previous prime is 15068029. The next prime is 15068047. The reversal of 15068040 is 4086051.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 15068040.

It is not an unprimeable number, because it can be changed into a prime (15068047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19909 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (510570).

Almost surely, 215068040 is an apocalyptic number.

15068040 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 15068040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24507360).

15068040 is an abundant number, since it is smaller than the sum of its proper divisors (33946680).

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

15068040 is a wasteful number, since it uses less digits than its factorization.

15068040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 15068040 is about 3881.7573339919. The cubic root of 15068040 is about 246.9935363036.

The spelling of 15068040 in words is "fifteen million, sixty-eight thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 169 195 260 312 338 390 507 520 676 743 780 845 1014 1352 1486 1560 1690 2028 2229 2535 2972 3380 3715 4056 4458 5070 5944 6760 7430 8916 9659 10140 11145 14860 17832 19318 20280 22290 28977 29720 38636 44580 48295 57954 77272 89160 96590 115908 125567 144885 193180 231816 251134 289770 376701 386360 502268 579540 627835 753402 1004536 1159080 1255670 1506804 1883505 2511340 3013608 3767010 5022680 7534020 15068040