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50197490 = 2572512857
BaseRepresentation
bin1011111101111…
…1001111110010
310111110022000022
42333133033302
5100322304430
64551523442
71146446240
oct277371762
9114408008
1050197490
1126376132
1214989582
13a527275
146949790
1546184e5
hex2fdf3f2

50197490 has 32 divisors (see below), whose sum is σ = 103711104. Its totient is φ = 17136000.

The previous prime is 50197471. The next prime is 50197517. The reversal of 50197490 is 9479105.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 50197490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16142 + ... + 18998.

It is an arithmetic number, because the mean of its divisors is an integer number (3240972).

Almost surely, 250197490 is an apocalyptic number.

50197490 is an abundant number, since it is smaller than the sum of its proper divisors (53513614).

50197490 is a wasteful number, since it uses less digits than its factorization.

50197490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 50197490 is about 7085.0187014573. The cubic root of 50197490 is about 368.8875522457.

The spelling of 50197490 in words is "fifty million, one hundred ninety-seven thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 251 502 1255 1757 2510 2857 3514 5714 8785 14285 17570 19999 28570 39998 99995 199990 717107 1434214 3585535 5019749 7171070 10039498 25098745 50197490