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508443242 = 217107139759
BaseRepresentation
bin11110010011100…
…011101001101010
31022102201121000012
4132103203221222
52020130140432
6122241411522
715412460546
oct3623435152
91272647005
10508443242
11241003a2a
12122339ba2
13814501b8
144b752a26
152e984cb2
hex1e4e3a6a

508443242 has 16 divisors (see below), whose sum is σ = 815080320. Its totient is φ = 237029568.

The previous prime is 508443241. The next prime is 508443263. The reversal of 508443242 is 242344805.

It is a junction number, because it is equal to n+sod(n) for n = 508443199 and 508443208.

It is not an unprimeable number, because it can be changed into a prime (508443241) 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, 66242 + ... + 73517.

It is an arithmetic number, because the mean of its divisors is an integer number (50942520).

Almost surely, 2508443242 is an apocalyptic number.

508443242 is a deficient number, since it is larger than the sum of its proper divisors (306637078).

508443242 is a wasteful number, since it uses less digits than its factorization.

508443242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139885.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 508443242 is about 22548.6860371065. The cubic root of 508443242 is about 798.1432156490.

The spelling of 508443242 in words is "five hundred eight million, four hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 17 34 107 214 1819 3638 139759 279518 2375903 4751806 14954213 29908426 254221621 508443242