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75075074 = 247216993
BaseRepresentation
bin1000111100110…
…00111000000010
312020021012122022
410132120320002
5123204400244
611241041442
71601061524
oct436307002
9166235568
1075075074
1139418018
1221186282
1312727829
149d83a14
1568ce6ee
hex4798e02

75075074 has 12 divisors (see below), whose sum is σ = 115066374. Its totient is φ = 36736704.

The previous prime is 75075073. The next prime is 75075127. The reversal of 75075074 is 47057057.

It can be written as a sum of positive squares in only one way, i.e., 72369049 + 2706025 = 8507^2 + 1645^2 .

It is a super-2 number, since 2×750750742 = 11272533472210952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75075071) 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 5 ways as a sum of consecutive naturals, for example, 4079 + ... + 12914.

Almost surely, 275075074 is an apocalyptic number.

75075074 is a deficient number, since it is larger than the sum of its proper divisors (39991300).

75075074 is a wasteful number, since it uses less digits than its factorization.

75075074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17089 (or 17042 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 75075074 is about 8664.5873531288. The cubic root of 75075074 is about 421.8569965358.

The spelling of 75075074 in words is "seventy-five million, seventy-five thousand, seventy-four".

Divisors: 1 2 47 94 2209 4418 16993 33986 798671 1597342 37537537 75075074