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68365338 = 2323495401
BaseRepresentation
bin1000001001100…
…10110000011010
311202122022121120
410010302300122
5120000142323
610441150110
71460044566
oct404626032
9152568546
1068365338
1135654988
121aa8b336
1311218782
1491186a6
1560065e3
hex4132c1a

68365338 has 16 divisors (see below), whose sum is σ = 142675776. Its totient is φ = 21797600.

The previous prime is 68365331. The next prime is 68365369. The reversal of 68365338 is 83356386.

It is a self number, because there is not a number n which added to its sum of digits gives 68365338.

It is not an unprimeable number, because it can be changed into a prime (68365331) 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, 247563 + ... + 247838.

It is an arithmetic number, because the mean of its divisors is an integer number (8917236).

Almost surely, 268365338 is an apocalyptic number.

68365338 is an abundant number, since it is smaller than the sum of its proper divisors (74310438).

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

68365338 is a wasteful number, since it uses less digits than its factorization.

68365338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495429.

The product of its digits is 311040, while the sum is 42.

The square root of 68365338 is about 8268.3334475576. Note that the first 3 decimals coincide. The cubic root of 68365338 is about 408.8951774144.

The spelling of 68365338 in words is "sixty-eight million, three hundred sixty-five thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 23 46 69 138 495401 990802 1486203 2972406 11394223 22788446 34182669 68365338