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69320216 = 2373173547
BaseRepresentation
bin1000010000110…
…11111000011000
311211102211110102
410020123320120
5120221221331
610513434532
71501132520
oct410337030
9154384412
1069320216
1136147339
121b26ba48
13114912a4
1492c6680
1561444cb
hex421be18

69320216 has 64 divisors (see below), whose sum is σ = 155719680. Its totient is φ = 28304640.

The previous prime is 69320213. The next prime is 69320261. The reversal of 69320216 is 61202396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69320213) by changing a digit.

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, 126455 + ... + 127001.

It is an arithmetic number, because the mean of its divisors is an integer number (2433120).

Almost surely, 269320216 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 69320216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77859840).

69320216 is an abundant number, since it is smaller than the sum of its proper divisors (86399464).

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

69320216 is a wasteful number, since it uses less digits than its factorization.

69320216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 69320216 is about 8325.8762902171. The cubic root of 69320216 is about 410.7901004729.

The spelling of 69320216 in words is "sixty-nine million, three hundred twenty thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 31 56 62 73 124 146 217 248 292 434 511 547 584 868 1022 1094 1736 2044 2188 2263 3829 4088 4376 4526 7658 9052 15316 15841 16957 18104 30632 31682 33914 39931 63364 67828 79862 118699 126728 135656 159724 237398 279517 319448 474796 559034 949592 1118068 1237861 2236136 2475722 4951444 8665027 9902888 17330054 34660108 69320216