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69676828 = 22134912729
BaseRepresentation
bin1000010011100…
…10111100011100
311212002221122021
410021302330130
5120314124303
610525225524
71504146304
oct411627434
9155087567
1069676828
1136370261
121b4022a4
13115876c0
14937a604
1561b4ebd
hex4272f1c

69676828 has 24 divisors (see below), whose sum is σ = 131629680. Its totient is φ = 32081280.

The previous prime is 69676807. The next prime is 69676861. The reversal of 69676828 is 82867696.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 24168 + ... + 26896.

It is an arithmetic number, because the mean of its divisors is an integer number (5484570).

Almost surely, 269676828 is an apocalyptic number.

It is an amenable number.

69676828 is a deficient number, since it is larger than the sum of its proper divisors (61952852).

69676828 is a wasteful number, since it uses less digits than its factorization.

69676828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237 (or 3235 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 69676828 is about 8347.2647016852. The cubic root of 69676828 is about 411.4933209611.

The spelling of 69676828 in words is "sixty-nine million, six hundred seventy-six thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 26 52 491 982 1964 2729 5458 6383 10916 12766 25532 35477 70954 141908 1339939 2679878 5359756 17419207 34838414 69676828