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74052641 = 135696357
BaseRepresentation
bin1000110100111…
…11010000100001
312011100021010102
410122133100201
5122424141031
611203112145
71556302625
oct432372041
9164307112
1074052641
1138889933
1220972655
131245a340
149b99185
15677b7cb
hex469f421

74052641 has 4 divisors (see below), whose sum is σ = 79749012. Its totient is φ = 68356272.

The previous prime is 74052619. The next prime is 74052673. The reversal of 74052641 is 14625047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23001616 + 51051025 = 4796^2 + 7145^2 .

It is a cyclic number.

It is not a de Polignac number, because 74052641 - 226 = 6943777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74052691) 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, 2848166 + ... + 2848191.

It is an arithmetic number, because the mean of its divisors is an integer number (19937253).

Almost surely, 274052641 is an apocalyptic number.

It is an amenable number.

74052641 is a deficient number, since it is larger than the sum of its proper divisors (5696371).

74052641 is a wasteful number, since it uses less digits than its factorization.

74052641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696370.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 74052641 is about 8605.3844190716. The cubic root of 74052641 is about 419.9331734191.

Adding to 74052641 its reverse (14625047), we get a palindrome (88677688).

The spelling of 74052641 in words is "seventy-four million, fifty-two thousand, six hundred forty-one".

Divisors: 1 13 5696357 74052641