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508192045 = 5472121529
BaseRepresentation
bin11110010010100…
…110010100101101
31022102020211102121
4132102212110231
52020044121140
6122232152541
715410363314
oct3622462455
91272224377
10508192045
11240952229
12122238751
1381392a6a
144b6c927b
152e93564a
hex1e4a652d

508192045 has 8 divisors (see below), whose sum is σ = 609987960. Its totient is φ = 406448640.

The previous prime is 508191997. The next prime is 508192051. The reversal of 508192045 is 540291805.

It can be written as a sum of positive squares in 4 ways, for example, as 12595401 + 495596644 = 3549^2 + 22262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 508192045 - 221 = 506094893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 508192045.

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, 12841 + ... + 34369.

It is an arithmetic number, because the mean of its divisors is an integer number (76248495).

Almost surely, 2508192045 is an apocalyptic number.

It is an amenable number.

508192045 is a deficient number, since it is larger than the sum of its proper divisors (101795915).

508192045 is a wasteful number, since it uses less digits than its factorization.

508192045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 508192045 is about 22543.1152461234. The cubic root of 508192045 is about 798.0117527891.

The spelling of 508192045 in words is "five hundred eight million, one hundred ninety-two thousand, forty-five".

Divisors: 1 5 4721 21529 23605 107645 101638409 508192045