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68879650 = 2527196799
BaseRepresentation
bin1000001101100…
…00010100100010
311210121110010011
410012300110202
5120113122100
610500155134
71464316210
oct406602442
9153543104
1068879650
1135976334
121b098aaa
13113688b8
14920dcb0
1560a8bba
hex41b0522

68879650 has 24 divisors (see below), whose sum is σ = 146419200. Its totient is φ = 23615760.

The previous prime is 68879647. The next prime is 68879663. The reversal of 68879650 is 5697886.

It is a junction number, because it is equal to n+sod(n) for n = 68879594 and 68879603.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98050 + ... + 98749.

It is an arithmetic number, because the mean of its divisors is an integer number (6100800).

Almost surely, 268879650 is an apocalyptic number.

68879650 is an abundant number, since it is smaller than the sum of its proper divisors (77539550).

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

68879650 is a wasteful number, since it uses less digits than its factorization.

68879650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196818 (or 196813 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 68879650 is about 8299.3764826040. The cubic root of 68879650 is about 409.9179887523.

The spelling of 68879650 in words is "sixty-eight million, eight hundred seventy-nine thousand, six hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 196799 393598 983995 1377593 1967990 2755186 4919975 6887965 9839950 13775930 34439825 68879650