Search a number
-
+
493827157 = 1925990903
BaseRepresentation
bin11101011011110…
…011010001010101
31021102020000111201
4131123303101111
52002404432112
6121000232501
715144314215
oct3533632125
91242200451
10493827157
1123383071a
1211946b731
137b403525
144982a245
152d549257
hex1d6f3455

493827157 has 4 divisors (see below), whose sum is σ = 519818080. Its totient is φ = 467836236.

The previous prime is 493827137. The next prime is 493827209. The reversal of 493827157 is 751728394.

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.

It is a cyclic number.

It is not a de Polignac number, because 493827157 - 27 = 493827029 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 (493827127) 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 in 3 ways as a sum of consecutive naturals, for example, 12995433 + ... + 12995470.

It is an arithmetic number, because the mean of its divisors is an integer number (129954520).

Almost surely, 2493827157 is an apocalyptic number.

It is an amenable number.

493827157 is a deficient number, since it is larger than the sum of its proper divisors (25990923).

493827157 is a wasteful number, since it uses less digits than its factorization.

493827157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25990922.

The product of its digits is 423360, while the sum is 46.

The square root of 493827157 is about 22222.2221436111. Note that the first 3 decimals coincide. The cubic root of 493827157 is about 790.4207324670.

The spelling of 493827157 in words is "four hundred ninety-three million, eight hundred twenty-seven thousand, one hundred fifty-seven".

Divisors: 1 19 25990903 493827157