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75968041 = 683111227
BaseRepresentation
bin1001000011100…
…10111000101001
312021221120120011
410201302320221
5123421434131
611312131521
71611501112
oct441627051
9167846504
1075968041
1139977a06
1221536ba1
131297b106
14a137209
156a090b1
hex4872e29

75968041 has 4 divisors (see below), whose sum is σ = 76079952. Its totient is φ = 75856132.

The previous prime is 75968033. The next prime is 75968063. The reversal of 75968041 is 14086957.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14086957 = 44331799.

It is a cyclic number.

It is not a de Polignac number, because 75968041 - 23 = 75968033 is a prime.

It is a super-2 number, since 2×759680412 = 11542286506755362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75967985 and 75968003.

It is not an unprimeable number, because it can be changed into a prime (75960041) 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, 54931 + ... + 56296.

It is an arithmetic number, because the mean of its divisors is an integer number (19019988).

Almost surely, 275968041 is an apocalyptic number.

It is an amenable number.

75968041 is a deficient number, since it is larger than the sum of its proper divisors (111911).

75968041 is a wasteful number, since it uses less digits than its factorization.

75968041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111910.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 75968041 is about 8715.9647199837. The cubic root of 75968041 is about 423.5229761160.

The spelling of 75968041 in words is "seventy-five million, nine hundred sixty-eight thousand, forty-one".

Divisors: 1 683 111227 75968041