Search a number
-
+
68423006 = 22979109137
BaseRepresentation
bin1000001010000…
…00110101011110
311202202020201102
410011000311132
5120004014011
610442313102
71460404661
oct405006536
9152666642
1068423006
1135694243
121aab8792
1311238ab2
1491316d8
15601873b
hex4140d5e

68423006 has 32 divisors (see below), whose sum is σ = 109296000. Its totient is φ = 32078592.

The previous prime is 68422997. The next prime is 68423039. The reversal of 68423006 is 60032486.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 68423006.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 499370 + ... + 499506.

It is an arithmetic number, because the mean of its divisors is an integer number (3415500).

Almost surely, 268423006 is an apocalyptic number.

68423006 is a deficient number, since it is larger than the sum of its proper divisors (40872994).

68423006 is a wasteful number, since it uses less digits than its factorization.

68423006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 68423006 is about 8271.8199932058. The cubic root of 68423006 is about 409.0101164596.

The spelling of 68423006 in words is "sixty-eight million, four hundred twenty-three thousand, six".

Divisors: 1 2 29 58 79 109 137 158 218 274 2291 3161 3973 4582 6322 7946 8611 10823 14933 17222 21646 29866 249719 313867 433057 499438 627734 866114 1179707 2359414 34211503 68423006