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75075342 = 2312512557
BaseRepresentation
bin1000111100110…
…00111100001110
312020021020000020
410132120330032
5123204402332
611241043010
71601062356
oct436307416
9166236006
1075075342
1139418241
1221186466
13127279a4
149d83b66
1568ce82c
hex4798f0e

75075342 has 8 divisors (see below), whose sum is σ = 150150696. Its totient is φ = 25025112.

The previous prime is 75075313. The next prime is 75075347. The reversal of 75075342 is 24357057.

It is a sphenic number, since it is the product of 3 distinct primes.

75075342 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75075347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6256273 + ... + 6256284.

It is an arithmetic number, because the mean of its divisors is an integer number (18768837).

Almost surely, 275075342 is an apocalyptic number.

75075342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75075342 is a wasteful number, since it uses less digits than its factorization.

75075342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12512562.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 75075342 is about 8664.6028183639. The cubic root of 75075342 is about 421.8574985113.

The spelling of 75075342 in words is "seventy-five million, seventy-five thousand, three hundred forty-two".

Divisors: 1 2 3 6 12512557 25025114 37537671 75075342