Search a number
-
+
514257494 = 2257128747
BaseRepresentation
bin11110101001101…
…111001001010110
31022211122222122212
4132221233021112
52023122214434
6123010153422
715513054662
oct3651571126
91284588585
10514257494
112443152a3
12124282872
138270779a
144c4278a2
15302328ce
hex1ea6f256

514257494 has 4 divisors (see below), whose sum is σ = 771386244. Its totient is φ = 257128746.

The previous prime is 514257467. The next prime is 514257509. The reversal of 514257494 is 494752415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 494752415 = 598950483.

It is a congruent number.

It is an unprimeable number.

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, 128564372 + ... + 128564375.

It is an arithmetic number, because the mean of its divisors is an integer number (192846561).

Almost surely, 2514257494 is an apocalyptic number.

514257494 is a deficient number, since it is larger than the sum of its proper divisors (257128750).

514257494 is a wasteful number, since it uses less digits than its factorization.

514257494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257128749.

The product of its digits is 201600, while the sum is 41.

The square root of 514257494 is about 22677.2461732019. The cubic root of 514257494 is about 801.1740542778.

The spelling of 514257494 in words is "five hundred fourteen million, two hundred fifty-seven thousand, four hundred ninety-four".

Divisors: 1 2 257128747 514257494