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68025060 = 223253071231
BaseRepresentation
bin1000000110111…
…11101011100100
311202000000211200
410003133223210
5114403300220
610430002500
71454126535
oct403375344
9152000750
1068025060
1135442264
121a946430
131112991c
14906a68c
155e8a890
hex40dfae4

68025060 has 72 divisors (see below), whose sum is σ = 207182976. Its totient is φ = 18066240.

The previous prime is 68025059. The next prime is 68025077. The reversal of 68025060 is 6052086.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54645 + ... + 55875.

Almost surely, 268025060 is an apocalyptic number.

68025060 is a gapful number since it is divisible by the number (60) 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 68025060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103591488).

68025060 is an abundant number, since it is smaller than the sum of its proper divisors (139157916).

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

68025060 is a wasteful number, since it uses less digits than its factorization.

68025060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 68025060 is about 8247.7305969582. The cubic root of 68025060 is about 408.2156443654.

The spelling of 68025060 in words is "sixty-eight million, twenty-five thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 307 614 921 1228 1231 1535 1842 2462 2763 3070 3684 3693 4605 4924 5526 6140 6155 7386 9210 11052 11079 12310 13815 14772 18420 18465 22158 24620 27630 36930 44316 55260 55395 73860 110790 221580 377917 755834 1133751 1511668 1889585 2267502 3401253 3779170 4535004 5668755 6802506 7558340 11337510 13605012 17006265 22675020 34012530 68025060