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75052398 = 2312508733
BaseRepresentation
bin1000111100100…
…11010101101110
312020020001112110
410132103111232
5123203134043
611240344450
71600635441
oct436232556
9166201473
1075052398
1139401a83
1221175126
131271a405
149d79658
1568c7b33
hex479356e

75052398 has 8 divisors (see below), whose sum is σ = 150104808. Its totient is φ = 25017464.

The previous prime is 75052379. The next prime is 75052403. The reversal of 75052398 is 89325057.

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

75052398 is an admirable number.

It is a Curzon number.

It is a congruent number.

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, 6254361 + ... + 6254372.

It is an arithmetic number, because the mean of its divisors is an integer number (18763101).

Almost surely, 275052398 is an apocalyptic number.

75052398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75052398 is a wasteful number, since it uses less digits than its factorization.

75052398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12508738.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 75052398 is about 8663.2787095880. The cubic root of 75052398 is about 421.8145190883.

The spelling of 75052398 in words is "seventy-five million, fifty-two thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 12508733 25017466 37526199 75052398