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494181042 = 23181455047
BaseRepresentation
bin11101011101001…
…001101010110010
31021102212222221120
4131131021222302
52003002243132
6121012003110
715150320025
oct3535115262
91242788846
10494181042
11233a52593
12119600496
137b4c8624
14498bd1bc
152d5b902c
hex1d749ab2

494181042 has 16 divisors (see below), whose sum is σ = 993824832. Its totient is φ = 163816560.

The previous prime is 494181029. The next prime is 494181047. The reversal of 494181042 is 240181494.

It is a junction number, because it is equal to n+sod(n) for n = 494180994 and 494181012.

It is not an unprimeable number, because it can be changed into a prime (494181047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226438 + ... + 228609.

It is an arithmetic number, because the mean of its divisors is an integer number (62114052).

Almost surely, 2494181042 is an apocalyptic number.

494181042 is an abundant number, since it is smaller than the sum of its proper divisors (499643790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494181042 is a wasteful number, since it uses less digits than its factorization.

494181042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455233.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 494181042 is about 22230.1831301499. The cubic root of 494181042 is about 790.6094970625.

The spelling of 494181042 in words is "four hundred ninety-four million, one hundred eighty-one thousand, forty-two".

Divisors: 1 2 3 6 181 362 543 1086 455047 910094 1365141 2730282 82363507 164727014 247090521 494181042