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505190975 = 5223878593
BaseRepresentation
bin11110000111001…
…001101000111111
31022012121100201212
4132013021220333
52013312102400
6122043555035
715343023662
oct3607115077
91265540655
10505190975
1123a192503
1212122ba7b
1380881a93
144b1476d9
152e541335
hex1e1c9a3f

505190975 has 12 divisors (see below), whose sum is σ = 653673936. Its totient is φ = 386580480.

The previous prime is 505190957. The next prime is 505190993. The reversal of 505190975 is 579091505.

It is an interprime number because it is at equal distance from previous prime (505190957) and next prime (505190993).

It is a de Polignac number, because none of the positive numbers 2k-505190975 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 438722 + ... + 439871.

It is an arithmetic number, because the mean of its divisors is an integer number (54472828).

Almost surely, 2505190975 is an apocalyptic number.

505190975 is a deficient number, since it is larger than the sum of its proper divisors (148482961).

505190975 is a wasteful number, since it uses less digits than its factorization.

505190975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878626 (or 878621 counting only the distinct ones).

The product of its (nonzero) digits is 70875, while the sum is 41.

The square root of 505190975 is about 22476.4537905783. The cubic root of 505190975 is about 796.4377947221.

The spelling of 505190975 in words is "five hundred five million, one hundred ninety thousand, nine hundred seventy-five".

Divisors: 1 5 23 25 115 575 878593 4392965 20207639 21964825 101038195 505190975