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492040619 = 770291517
BaseRepresentation
bin11101010100111…
…111000110101011
31021021212020211122
4131110333012223
52001430244434
6120454045455
715123163520
oct3524770653
91237766748
10492040619
11232820444
1211894988b
137ac292c5
14494c3147
152d2e4c2e
hex1d53f1ab

492040619 has 4 divisors (see below), whose sum is σ = 562332144. Its totient is φ = 421749096.

The previous prime is 492040607. The next prime is 492040643. The reversal of 492040619 is 916040294.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-492040619 is a prime.

It is a super-2 number, since 2×4920406192 = 484207941491806322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492040819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35145752 + ... + 35145765.

It is an arithmetic number, because the mean of its divisors is an integer number (140583036).

Almost surely, 2492040619 is an apocalyptic number.

492040619 is a deficient number, since it is larger than the sum of its proper divisors (70291525).

492040619 is an equidigital number, since it uses as much as digits as its factorization.

492040619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70291524.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 492040619 is about 22181.9886168937. The cubic root of 492040619 is about 789.4664019384.

The spelling of 492040619 in words is "four hundred ninety-two million, forty thousand, six hundred nineteen".

Divisors: 1 7 70291517 492040619