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75351242 = 2172216213
BaseRepresentation
bin1000111110111…
…00010011001010
312020210020110202
410133130103022
5123242214432
611251012202
71603321631
oct437342312
9166706422
1075351242
113959655a
122129a062
13127c3445
14a016518
156936462
hex47dc4ca

75351242 has 8 divisors (see below), whose sum is σ = 119675556. Its totient is φ = 35459392.

The previous prime is 75351239. The next prime is 75351271. The reversal of 75351242 is 24215357.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72914521 + 2436721 = 8539^2 + 1561^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108073 + ... + 1108140.

Almost surely, 275351242 is an apocalyptic number.

75351242 is a deficient number, since it is larger than the sum of its proper divisors (44324314).

75351242 is a wasteful number, since it uses less digits than its factorization.

75351242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216232.

The product of its digits is 8400, while the sum is 29.

The square root of 75351242 is about 8680.5093168546. The cubic root of 75351242 is about 422.3736386702.

Adding to 75351242 its reverse (24215357), we get a palindrome (99566599).

The spelling of 75351242 in words is "seventy-five million, three hundred fifty-one thousand, two hundred forty-two".

Divisors: 1 2 17 34 2216213 4432426 37675621 75351242