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68020942 = 2115358337
BaseRepresentation
bin1000000110111…
…10101011001110
311201222211012011
410003132223032
5114403132232
610425531434
71454111533
oct403365316
9151884164
1068020942
113543a160
121a943b7a
1311127aa2
149068d8a
155e89547
hex40deace

68020942 has 16 divisors (see below), whose sum is σ = 113409072. Its totient is φ = 30334720.

The previous prime is 68020933. The next prime is 68020949. The reversal of 68020942 is 24902086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68020949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28003 + ... + 30334.

It is an arithmetic number, because the mean of its divisors is an integer number (7088067).

Almost surely, 268020942 is an apocalyptic number.

68020942 is a deficient number, since it is larger than the sum of its proper divisors (45388130).

68020942 is a wasteful number, since it uses less digits than its factorization.

68020942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58403.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 68020942 is about 8247.4809487504. The cubic root of 68020942 is about 408.2074068818.

The spelling of 68020942 in words is "sixty-eight million, twenty thousand, nine hundred forty-two".

Divisors: 1 2 11 22 53 106 583 1166 58337 116674 641707 1283414 3091861 6183722 34010471 68020942