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69069072 = 2431438939
BaseRepresentation
bin1000001110111…
…10100100010000
311210222001221210
410013132210100
5120140202242
610504220120
71466035362
oct407364420
9153861853
1069069072
1135a95686
121b16a640
1311403b97
14925cd32
1560e4d9c
hex41de910

69069072 has 20 divisors (see below), whose sum is σ = 178428560. Its totient is φ = 23023008.

The previous prime is 69069059. The next prime is 69069083. The reversal of 69069072 is 27096096.

It is a self number, because there is not a number n which added to its sum of digits gives 69069072.

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, 719422 + ... + 719517.

It is an arithmetic number, because the mean of its divisors is an integer number (8921428).

Almost surely, 269069072 is an apocalyptic number.

It is an amenable number.

69069072 is an abundant number, since it is smaller than the sum of its proper divisors (109359488).

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

69069072 is a wasteful number, since it uses less digits than its factorization.

69069072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438950 (or 1438944 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 69069072 is about 8310.7804687647. The cubic root of 69069072 is about 410.2934088550.

The spelling of 69069072 in words is "sixty-nine million, sixty-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1438939 2877878 4316817 5755756 8633634 11511512 17267268 23023024 34534536 69069072