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69698868 = 2235808239
BaseRepresentation
bin1000010011110…
…00010100110100
311212011001212120
410021320110310
5120320330433
610525515540
71504300461
oct411702464
9155131776
1069698868
1136385878
121b412bb0
1311594745
149384668
1561bb7b3
hex4278534

69698868 has 12 divisors (see below), whose sum is σ = 162630720. Its totient is φ = 23232952.

The previous prime is 69698857. The next prime is 69698899. The reversal of 69698868 is 86889696.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 2904108 + ... + 2904131.

It is an arithmetic number, because the mean of its divisors is an integer number (13552560).

Almost surely, 269698868 is an apocalyptic number.

It is an amenable number.

69698868 is an abundant number, since it is smaller than the sum of its proper divisors (92931852).

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

69698868 is a wasteful number, since it uses less digits than its factorization.

69698868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808246 (or 5808244 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 60.

The square root of 69698868 is about 8348.5847902504. The cubic root of 69698868 is about 411.5367038999.

The spelling of 69698868 in words is "sixty-nine million, six hundred ninety-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 5808239 11616478 17424717 23232956 34849434 69698868