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75401341 = 174435373
BaseRepresentation
bin1000111111010…
…00100001111101
312020212210012021
410133220201331
5123300320331
611252040141
71603620661
oct437504175
9166783167
1075401341
1139620164
1221303051
13128101a2
14a02a8a1
156946211
hex47e887d

75401341 has 4 divisors (see below), whose sum is σ = 79836732. Its totient is φ = 70965952.

The previous prime is 75401281. The next prime is 75401357. The reversal of 75401341 is 14310457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14310457 = 72044351.

It can be written as a sum of positive squares in 2 ways, for example, as 52562500 + 22838841 = 7250^2 + 4779^2 .

It is a cyclic number.

It is not a de Polignac number, because 75401341 - 27 = 75401213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75401371) 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, 2217670 + ... + 2217703.

It is an arithmetic number, because the mean of its divisors is an integer number (19959183).

Almost surely, 275401341 is an apocalyptic number.

It is an amenable number.

75401341 is a deficient number, since it is larger than the sum of its proper divisors (4435391).

75401341 is a wasteful number, since it uses less digits than its factorization.

75401341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435390.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 75401341 is about 8683.3945551265. The cubic root of 75401341 is about 422.4672261963.

Adding to 75401341 its reverse (14310457), we get a palindrome (89711798).

The spelling of 75401341 in words is "seventy-five million, four hundred one thousand, three hundred forty-one".

Divisors: 1 17 4435373 75401341