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505231942 = 21726356501
BaseRepresentation
bin11110000111010…
…011101001000110
31022012200102221011
4132013103221012
52013314410232
6122044512434
715343254265
oct3607235106
91265612834
10505231942
1123a210266
1212124b71a
1380897617
144b1585dc
152e54d547
hex1e1d3a46

505231942 has 16 divisors (see below), whose sum is σ = 805492512. Its totient is φ = 236848000.

The previous prime is 505231933. The next prime is 505231949. The reversal of 505231942 is 249132505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505231949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19309 + ... + 37192.

It is an arithmetic number, because the mean of its divisors is an integer number (50343282).

Almost surely, 2505231942 is an apocalyptic number.

505231942 is a deficient number, since it is larger than the sum of its proper divisors (300260570).

505231942 is a wasteful number, since it uses less digits than its factorization.

505231942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56783.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 505231942 is about 22477.3651035881. The cubic root of 505231942 is about 796.4593224129.

The spelling of 505231942 in words is "five hundred five million, two hundred thirty-one thousand, nine hundred forty-two".

Divisors: 1 2 17 34 263 526 4471 8942 56501 113002 960517 1921034 14859763 29719526 252615971 505231942