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68694022 = 2732631789
BaseRepresentation
bin1000001100000…
…11000000000110
311210021000111001
410012003000012
5120041202042
610452203514
71462614055
oct406030006
9153230431
1068694022
1135859921
121b00959a
1311302267
1491a239c
15606dbb7
hex4183006

68694022 has 16 divisors (see below), whose sum is σ = 104908320. Its totient is φ = 33728832.

The previous prime is 68694007. The next prime is 68694023. The reversal of 68694022 is 22049686.

It is a super-3 number, since 3×686940223 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68694023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37504 + ... + 39292.

It is an arithmetic number, because the mean of its divisors is an integer number (6556770).

Almost surely, 268694022 is an apocalyptic number.

68694022 is a deficient number, since it is larger than the sum of its proper divisors (36214298).

68694022 is a wasteful number, since it uses less digits than its factorization.

68694022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 68694022 is about 8288.1856880743. The cubic root of 68694022 is about 409.5494197377.

The spelling of 68694022 in words is "sixty-eight million, six hundred ninety-four thousand, twenty-two".

Divisors: 1 2 73 146 263 526 1789 3578 19199 38398 130597 261194 470507 941014 34347011 68694022