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508049423 = 772578489
BaseRepresentation
bin11110010010000…
…011100000001111
31022101222120210022
4132102003200033
52020030040143
6122225132355
715406230440
oct3622034017
91271876708
10508049423
11240865062
1212218a0bb
1381342b7b
144b68d2c7
152e908268
hex1e48380f

508049423 has 4 divisors (see below), whose sum is σ = 580627920. Its totient is φ = 435470928.

The previous prime is 508049389. The next prime is 508049441. The reversal of 508049423 is 324940805.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 508049423 - 210 = 508048399 is a prime.

It is a super-2 number, since 2×5080494232 = 516228432421265858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508049453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36289238 + ... + 36289251.

It is an arithmetic number, because the mean of its divisors is an integer number (145156980).

Almost surely, 2508049423 is an apocalyptic number.

508049423 is a deficient number, since it is larger than the sum of its proper divisors (72578497).

508049423 is an equidigital number, since it uses as much as digits as its factorization.

508049423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72578496.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 508049423 is about 22539.9517080228. The cubic root of 508049423 is about 797.9370929027.

The spelling of 508049423 in words is "five hundred eight million, forty-nine thousand, four hundred twenty-three".

Divisors: 1 7 72578489 508049423