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50142593 = 311617503
BaseRepresentation
bin1011111101000…
…1110110000001
310111100111201002
42333101312001
5100314030333
64550421345
71146130214
oct277216601
9114314632
1050142593
1126338966
1214961855
13a508297
14693377b
1546070e8
hex2fd1d81

50142593 has 4 divisors (see below), whose sum is σ = 51760128. Its totient is φ = 48525060.

The previous prime is 50142581. The next prime is 50142613. The reversal of 50142593 is 39524105.

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.

It is a cyclic number.

It is not a de Polignac number, because 50142593 - 26 = 50142529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50142893) 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, 808721 + ... + 808782.

It is an arithmetic number, because the mean of its divisors is an integer number (12940032).

Almost surely, 250142593 is an apocalyptic number.

It is an amenable number.

50142593 is a deficient number, since it is larger than the sum of its proper divisors (1617535).

50142593 is a wasteful number, since it uses less digits than its factorization.

50142593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617534.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 50142593 is about 7081.1434811053. The cubic root of 50142593 is about 368.7530288749.

Adding to 50142593 its reverse (39524105), we get a palindrome (89666698).

The spelling of 50142593 in words is "fifty million, one hundred forty-two thousand, five hundred ninety-three".

Divisors: 1 31 1617503 50142593