Search a number
-
+
492550149 = 37131804213
BaseRepresentation
bin11101010110111…
…011100000000101
31021022211010210010
4131112323200011
52002043101044
6120513020433
715130415160
oct3526734005
91238733703
10492550149
11233039243
12118b54719
137b0771c0
14495b6ad7
152d395bb9
hex1d5bb805

492550149 has 16 divisors (see below), whose sum is σ = 808287872. Its totient is φ = 259806528.

The previous prime is 492550133. The next prime is 492550159. The reversal of 492550149 is 941055294.

It is not a de Polignac number, because 492550149 - 24 = 492550133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492550159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901834 + ... + 902379.

It is an arithmetic number, because the mean of its divisors is an integer number (50517992).

Almost surely, 2492550149 is an apocalyptic number.

It is an amenable number.

492550149 is a deficient number, since it is larger than the sum of its proper divisors (315737723).

492550149 is a wasteful number, since it uses less digits than its factorization.

492550149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804236.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 492550149 is about 22193.4708641979. The cubic root of 492550149 is about 789.7388171472.

The spelling of 492550149 in words is "four hundred ninety-two million, five hundred fifty thousand, one hundred forty-nine".

Divisors: 1 3 7 13 21 39 91 273 1804213 5412639 12629491 23454769 37888473 70364307 164183383 492550149