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75695328 = 2532433607
BaseRepresentation
bin1001000001100…
…00010011100000
312021102201110200
410200300103200
5123334222303
611302225200
71606254042
oct440602340
9167381420
1075695328
1139801025
1221425200
13128b3c47
14a0a5a92
1569a33a3
hex48304e0

75695328 has 72 divisors (see below), whose sum is σ = 216111168. Its totient is φ = 25132032.

The previous prime is 75695317. The next prime is 75695329. The reversal of 75695328 is 82359657.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×756953283 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75695329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124401 + ... + 125007.

It is an arithmetic number, because the mean of its divisors is an integer number (3001544).

Almost surely, 275695328 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 75695328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108055584).

75695328 is an abundant number, since it is smaller than the sum of its proper divisors (140415840).

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

75695328 is a wasteful number, since it uses less digits than its factorization.

75695328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1045 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 75695328 is about 8700.3062015081. The cubic root of 75695328 is about 423.0155754371.

The spelling of 75695328 in words is "seventy-five million, six hundred ninety-five thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 433 607 866 1214 1299 1732 1821 2428 2598 3464 3642 3897 4856 5196 5463 6928 7284 7794 9712 10392 10926 13856 14568 15588 19424 20784 21852 29136 31176 41568 43704 58272 62352 87408 124704 174816 262831 525662 788493 1051324 1576986 2102648 2365479 3153972 4205296 4730958 6307944 8410592 9461916 12615888 18923832 25231776 37847664 75695328