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68716942 = 276773259
BaseRepresentation
bin1000001100010…
…00100110001110
311210022011220221
410012020212032
5120042420232
610452501554
71463040640
oct406104616
9153264827
1068716942
1135875068
121b01a8ba
131130c818
1491aa890
156075897
hex418898e

68716942 has 16 divisors (see below), whose sum is σ = 119560320. Its totient is φ = 29010168.

The previous prime is 68716937. The next prime is 68716951. The reversal of 68716942 is 24961786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35692 + ... + 37567.

It is an arithmetic number, because the mean of its divisors is an integer number (7472520).

Almost surely, 268716942 is an apocalyptic number.

68716942 is a deficient number, since it is larger than the sum of its proper divisors (50843378).

68716942 is a wasteful number, since it uses less digits than its factorization.

68716942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73335.

The product of its digits is 145152, while the sum is 43.

The square root of 68716942 is about 8289.5682637879. The cubic root of 68716942 is about 409.5949638701.

The spelling of 68716942 in words is "sixty-eight million, seven hundred sixteen thousand, nine hundred forty-two".

Divisors: 1 2 7 14 67 134 469 938 73259 146518 512813 1025626 4908353 9816706 34358471 68716942