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505913742 = 2339368773
BaseRepresentation
bin11110001001111…
…010000110001110
31022020222002012000
4132021322012032
52014003214432
6122111253130
715352124115
oct3611720616
91266862160
10505913742
1123a636534
1212151a1a6
1380a75a59
144b294c7c
152e63557c
hex1e27a18e

505913742 has 16 divisors (see below), whose sum is σ = 1124252880. Its totient is φ = 168637896.

The previous prime is 505913711. The next prime is 505913753. The reversal of 505913742 is 247319505.

It is a junction number, because it is equal to n+sod(n) for n = 505913697 and 505913706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4684333 + ... + 4684440.

It is an arithmetic number, because the mean of its divisors is an integer number (70265805).

Almost surely, 2505913742 is an apocalyptic number.

505913742 is an abundant number, since it is smaller than the sum of its proper divisors (618339138).

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

505913742 is a wasteful number, since it uses less digits than its factorization.

505913742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9368784 (or 9368778 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 505913742 is about 22492.5263587708. The cubic root of 505913742 is about 796.8174298063.

The spelling of 505913742 in words is "five hundred five million, nine hundred thirteen thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 9368773 18737546 28106319 56212638 84318957 168637914 252956871 505913742