Search a number
-
+
34721494 = 217360747
BaseRepresentation
bin1000010001110…
…0111011010110
32102100000221021
42010130323112
532342041434
63240111354
7601061563
oct204347326
972300837
1034721494
1118665855
12b76555a
137269082
14487b86a
1530accb4
hex211ced6

34721494 has 4 divisors (see below), whose sum is σ = 52082244. Its totient is φ = 17360746.

The previous prime is 34721461. The next prime is 34721521. The reversal of 34721494 is 49412743.

It is a happy number.

34721494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49412743 = 120141143.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8680372 + ... + 8680375.

It is an arithmetic number, because the mean of its divisors is an integer number (13020561).

Almost surely, 234721494 is an apocalyptic number.

34721494 is a deficient number, since it is larger than the sum of its proper divisors (17360750).

34721494 is a wasteful number, since it uses less digits than its factorization.

34721494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17360749.

The product of its digits is 24192, while the sum is 34.

The square root of 34721494 is about 5892.4947178593. The cubic root of 34721494 is about 326.2366893666.

The spelling of 34721494 in words is "thirty-four million, seven hundred twenty-one thousand, four hundred ninety-four".

Divisors: 1 2 17360747 34721494