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493047613 = 1419734729
BaseRepresentation
bin11101011000110…
…100111100111101
31021100202102011201
4131120310330331
52002210010423
6120531415501
715134556412
oct3530647475
91240672151
10493047613
11233348a73
12119154591
137b1bc766
14496a6109
152d4432ad
hex1d634f3d

493047613 has 4 divisors (see below), whose sum is σ = 493096540. Its totient is φ = 492998688.

The previous prime is 493047593. The next prime is 493047631. The reversal of 493047613 is 316740394.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 253510084 + 239537529 = 15922^2 + 15477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-493047613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493047683) 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, 3168 + ... + 31561.

It is an arithmetic number, because the mean of its divisors is an integer number (123274135).

Almost surely, 2493047613 is an apocalyptic number.

It is an amenable number.

493047613 is a deficient number, since it is larger than the sum of its proper divisors (48927).

493047613 is a wasteful number, since it uses less digits than its factorization.

493047613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48926.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 493047613 is about 22204.6754761244. The cubic root of 493047613 is about 790.0046001975.

The spelling of 493047613 in words is "four hundred ninety-three million, forty-seven thousand, six hundred thirteen".

Divisors: 1 14197 34729 493047613