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495179421 = 31115005437
BaseRepresentation
bin11101100000111…
…101011010011101
31021111202201110120
4131200331122131
52003231220141
6121045225153
715161645532
oct3540753235
91244681416
10495179421
112345746a0
12119a021b9
137b787b99
1449a9cd89
152d714c66
hex1d83d69d

495179421 has 8 divisors (see below), whose sum is σ = 720261024. Its totient is φ = 300108720.

The previous prime is 495179407. The next prime is 495179423. The reversal of 495179421 is 124971594.

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

It is not a de Polignac number, because 495179421 - 29 = 495178909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495179423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7502686 + ... + 7502751.

It is an arithmetic number, because the mean of its divisors is an integer number (90032628).

Almost surely, 2495179421 is an apocalyptic number.

It is an amenable number.

495179421 is a deficient number, since it is larger than the sum of its proper divisors (225081603).

495179421 is a wasteful number, since it uses less digits than its factorization.

495179421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15005451.

The product of its digits is 90720, while the sum is 42.

The square root of 495179421 is about 22252.6272830873. The cubic root of 495179421 is about 791.1415537355.

The spelling of 495179421 in words is "four hundred ninety-five million, one hundred seventy-nine thousand, four hundred twenty-one".

Divisors: 1 3 11 33 15005437 45016311 165059807 495179421