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492550049 = 4631063823
BaseRepresentation
bin11101010110111…
…011011110100001
31021022211010122102
4131112323132201
52002043100144
6120513020145
715130414655
oct3526733641
91238733572
10492550049
11233039162
12118b54655
137b077144
14495b6a65
152d395b4e
hex1d5bb7a1

492550049 has 4 divisors (see below), whose sum is σ = 493614336. Its totient is φ = 491485764.

The previous prime is 492550039. The next prime is 492550063. The reversal of 492550049 is 940055294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 940055294 = 2470027647.

It is a cyclic number.

It is not a de Polignac number, because 492550049 - 220 = 491501473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 492549994 and 492550021.

It is not an unprimeable number, because it can be changed into a prime (492550039) 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, 531449 + ... + 532374.

It is an arithmetic number, because the mean of its divisors is an integer number (123403584).

Almost surely, 2492550049 is an apocalyptic number.

It is an amenable number.

492550049 is a deficient number, since it is larger than the sum of its proper divisors (1064287).

492550049 is a wasteful number, since it uses less digits than its factorization.

492550049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064286.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 492550049 is about 22193.4686112829. The cubic root of 492550049 is about 789.7387637016.

The spelling of 492550049 in words is "four hundred ninety-two million, five hundred fifty thousand, forty-nine".

Divisors: 1 463 1063823 492550049