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69328164 = 223232391051
BaseRepresentation
bin1000010000111…
…01110100100100
311211110020100210
410020131310210
5120222000124
610513535420
71501164633
oct410356444
9154406323
1069328164
1136152304
121b274570
1311494aa9
1492c951a
156146a29
hex421dd24

69328164 has 48 divisors (see below), whose sum is σ = 169666560. Its totient is φ = 21991200.

The previous prime is 69328151. The next prime is 69328211. The reversal of 69328164 is 46182396.

It is a super-2 number, since 2×693281642 = 9612788647221792, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 65439 + ... + 66489.

It is an arithmetic number, because the mean of its divisors is an integer number (3534720).

Almost surely, 269328164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69328164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84833280).

69328164 is an abundant number, since it is smaller than the sum of its proper divisors (100338396).

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

69328164 is a wasteful number, since it uses less digits than its factorization.

69328164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1318 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 69328164 is about 8326.3535836523. The cubic root of 69328164 is about 410.8057997650.

The spelling of 69328164 in words is "sixty-nine million, three hundred twenty-eight thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 239 276 478 717 956 1051 1434 2102 2868 3153 4204 5497 6306 10994 12612 16491 21988 24173 32982 48346 65964 72519 96692 145038 251189 290076 502378 753567 1004756 1507134 3014268 5777347 11554694 17332041 23109388 34664082 69328164