Search a number
-
+
61136068 = 2272183431
BaseRepresentation
bin1110100100110…
…1110011000100
311021001000220211
43221031303010
5111122323233
610022205204
71341435160
oct351156304
9137030824
1061136068
1131567484
1218583804
13c8870b6
148195ca0
1555795cd
hex3a4dcc4

61136068 has 12 divisors (see below), whose sum is σ = 122272192. Its totient is φ = 26201160.

The previous prime is 61136027. The next prime is 61136071. The reversal of 61136068 is 86063116.

61136068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

61136068 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1091688 + ... + 1091743.

Almost surely, 261136068 is an apocalyptic number.

It is an amenable number.

61136068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61136068 is a wasteful number, since it uses less digits than its factorization.

61136068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183442 (or 2183440 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 61136068 is about 7818.9556847446. The cubic root of 61136068 is about 393.9421956478.

The spelling of 61136068 in words is "sixty-one million, one hundred thirty-six thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 2183431 4366862 8733724 15284017 30568034 61136068