Search a number
-
+
61064394 = 231272631
BaseRepresentation
bin1110100011110…
…0010011001010
311020220101121020
43220330103022
5111113030034
610020453310
71341016206
oct350742312
9136811536
1061064394
1131518646
121854a236
13c8605a1
148177b06
155563249
hex3a3c4ca

61064394 has 24 divisors (see below), whose sum is σ = 123293088. Its totient is φ = 20162520.

The previous prime is 61064387. The next prime is 61064417. The reversal of 61064394 is 49346016.

61064394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 11 ways as a sum of consecutive naturals, for example, 96459 + ... + 97089.

It is an arithmetic number, because the mean of its divisors is an integer number (5137212).

Almost surely, 261064394 is an apocalyptic number.

61064394 is an abundant number, since it is smaller than the sum of its proper divisors (62228694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61064394 is a wasteful number, since it uses less digits than its factorization.

61064394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 61064394 is about 7814.3709919609. The cubic root of 61064394 is about 393.7881869742.

The spelling of 61064394 in words is "sixty-one million, sixty-four thousand, three hundred ninety-four".

Divisors: 1 2 3 6 127 254 381 631 762 1262 1893 3786 16129 32258 48387 80137 96774 160274 240411 480822 10177399 20354798 30532197 61064394