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68345124 = 2238876421
BaseRepresentation
bin1000001001011…
…01110100100100
311202121021212220
410010231310210
5114444020444
610440512340
71456631631
oct404556444
9152537786
1068345124
1135640781
121aa7b6b0
131120c503
149111188
156000619
hex412dd24

68345124 has 24 divisors (see below), whose sum is σ = 159676608. Its totient is φ = 22752480.

The previous prime is 68345087. The next prime is 68345131. The reversal of 68345124 is 42154386.

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 7 ways as a sum of consecutive naturals, for example, 7434 + ... + 13854.

It is an arithmetic number, because the mean of its divisors is an integer number (6653192).

Almost surely, 268345124 is an apocalyptic number.

It is an amenable number.

68345124 is an abundant number, since it is smaller than the sum of its proper divisors (91331484).

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

68345124 is a wasteful number, since it uses less digits than its factorization.

68345124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315 (or 7313 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 68345124 is about 8267.1109826831. The cubic root of 68345124 is about 408.8548732577.

The spelling of 68345124 in words is "sixty-eight million, three hundred forty-five thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 887 1774 2661 3548 5322 6421 10644 12842 19263 25684 38526 77052 5695427 11390854 17086281 22781708 34172562 68345124