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494121574 = 2247060787
BaseRepresentation
bin11101011100111…
…011001001100110
31021102202222101001
4131130323021212
52002443342244
6121010423514
715146651452
oct3534731146
91242688331
10494121574
11233a11941
12119591b9a
137b4a753b
14498a5662
152d5a65d4
hex1d73b266

494121574 has 4 divisors (see below), whose sum is σ = 741182364. Its totient is φ = 247060786.

The previous prime is 494121571. The next prime is 494121601. The reversal of 494121574 is 475121494.

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

It is a super-2 number, since 2×4941215742 = 488312259784474952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494121571) 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 as a sum of consecutive naturals, namely, 123530392 + ... + 123530395.

It is an arithmetic number, because the mean of its divisors is an integer number (185295591).

Almost surely, 2494121574 is an apocalyptic number.

494121574 is a deficient number, since it is larger than the sum of its proper divisors (247060790).

494121574 is a wasteful number, since it uses less digits than its factorization.

494121574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247060789.

The product of its digits is 40320, while the sum is 37.

The square root of 494121574 is about 22228.8455390738. The cubic root of 494121574 is about 790.5777827395.

The spelling of 494121574 in words is "four hundred ninety-four million, one hundred twenty-one thousand, five hundred seventy-four".

Divisors: 1 2 247060787 494121574