Search a number
-
+
493034391 = 33176117609
BaseRepresentation
bin11101011000110…
…001101110010111
31021100201202001000
4131120301232113
52002204100031
6120531234343
715134503023
oct3530615627
91240652030
10493034391
1123333a043
121191489b3
137b1b6735
14496a1383
152d43e3e6
hex1d631b97

493034391 has 32 divisors (see below), whose sum is σ = 786110400. Its totient is φ = 304266240.

The previous prime is 493034387. The next prime is 493034449. The reversal of 493034391 is 193430394.

It is not a de Polignac number, because 493034391 - 22 = 493034387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493032391) 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 31 ways as a sum of consecutive naturals, for example, 19195 + ... + 36803.

It is an arithmetic number, because the mean of its divisors is an integer number (24565950).

Almost surely, 2493034391 is an apocalyptic number.

493034391 is a deficient number, since it is larger than the sum of its proper divisors (293076009).

493034391 is a wasteful number, since it uses less digits than its factorization.

493034391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17696 (or 17690 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 493034391 is about 22204.3777440396. The cubic root of 493034391 is about 789.9975383142.

The spelling of 493034391 in words is "four hundred ninety-three million, thirty-four thousand, three hundred ninety-one".

Divisors: 1 3 9 17 27 51 61 153 183 459 549 1037 1647 3111 9333 17609 27999 52827 158481 299353 475443 898059 1074149 2694177 3222447 8082531 9667341 18260533 29002023 54781599 164344797 493034391