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69842108 = 22718113781
BaseRepresentation
bin1000010100110…
…11010010111100
311212102100100202
410022123102330
5120334421413
610532543032
71505435210
oct412332274
9155370322
1069842108
1136473456
121b481a78
13116149bb
1493c0940
1561e8e58
hex429b4bc

69842108 has 24 divisors (see below), whose sum is σ = 140466144. Its totient is φ = 29764800.

The previous prime is 69842057. The next prime is 69842167. The reversal of 69842108 is 80124896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823 + ... + 11958.

It is an arithmetic number, because the mean of its divisors is an integer number (5852756).

Almost surely, 269842108 is an apocalyptic number.

It is an amenable number.

69842108 is an abundant number, since it is smaller than the sum of its proper divisors (70624036).

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

69842108 is a wasteful number, since it uses less digits than its factorization.

69842108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13973 (or 13971 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 69842108 is about 8357.1590866753. The cubic root of 69842108 is about 411.8184310067.

The spelling of 69842108 in words is "sixty-nine million, eight hundred forty-two thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 181 362 724 1267 2534 5068 13781 27562 55124 96467 192934 385868 2494361 4988722 9977444 17460527 34921054 69842108