Search a number
-
+
68854900 = 22525631223
BaseRepresentation
bin1000001101010…
…10010001110100
311210120012011111
410012222101310
5120111324100
610455444404
71464154102
oct406522164
9153505144
1068854900
1135959784
121b086704
131135a55a
149204c72
1560a16ba
hex41aa474

68854900 has 36 divisors (see below), whose sum is σ = 149802912. Its totient is φ = 27470560.

The previous prime is 68854889. The next prime is 68854921. The reversal of 68854900 is 945886.

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 11 ways as a sum of consecutive naturals, for example, 55689 + ... + 56911.

It is an arithmetic number, because the mean of its divisors is an integer number (4161192).

Almost surely, 268854900 is an apocalyptic number.

It is an amenable number.

68854900 is an abundant number, since it is smaller than the sum of its proper divisors (80948012).

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

68854900 is a wasteful number, since it uses less digits than its factorization.

68854900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 68854900 is about 8297.8852727668. The cubic root of 68854900 is about 409.8688853009.

The spelling of 68854900 in words is "sixty-eight million, eight hundred fifty-four thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 563 1126 1223 2252 2446 2815 4892 5630 6115 11260 12230 14075 24460 28150 30575 56300 61150 122300 688549 1377098 2754196 3442745 6885490 13770980 17213725 34427450 68854900