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68069600 = 255285087
BaseRepresentation
bin1000000111010…
…10100011100000
311202002021221022
410003222203200
5114411211400
610430545012
71454403434
oct403524340
9152067838
1068069600
1135472775
121a968168
1311143c91
14907c9c4
155e98b85
hex40ea8e0

68069600 has 36 divisors (see below), whose sum is σ = 166176864. Its totient is φ = 27227520.

The previous prime is 68069593. The next prime is 68069611. The reversal of 68069600 is 696086.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41744 + ... + 43343.

It is an arithmetic number, because the mean of its divisors is an integer number (4616024).

Almost surely, 268069600 is an apocalyptic number.

It is an amenable number.

68069600 is an abundant number, since it is smaller than the sum of its proper divisors (98107264).

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

68069600 is a wasteful number, since it uses less digits than its factorization.

68069600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85107 (or 85094 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 68069600 is about 8250.4302918090. The cubic root of 68069600 is about 408.3047191759.

The spelling of 68069600 in words is "sixty-eight million, sixty-nine thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 85087 170174 340348 425435 680696 850870 1361392 1701740 2127175 2722784 3403480 4254350 6806960 8508700 13613920 17017400 34034800 68069600