Search a number
-
+
61885074 = 2310314179
BaseRepresentation
bin1110110000010…
…0101010010010
311022110002100210
43230010222102
5111320310244
610050224550
71351004646
oct354045222
9138402323
1061885074
1131a29199
1218885156
13ca89cb4
14830cc26
1556764b9
hex3b04a92

61885074 has 8 divisors (see below), whose sum is σ = 123770160. Its totient is φ = 20628356.

The previous prime is 61885063. The next prime is 61885081. The reversal of 61885074 is 47058816.

It is a sphenic number, since it is the product of 3 distinct primes.

61885074 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5157084 + ... + 5157095.

It is an arithmetic number, because the mean of its divisors is an integer number (15471270).

Almost surely, 261885074 is an apocalyptic number.

61885074 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.

61885074 is a wasteful number, since it uses less digits than its factorization.

61885074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10314184.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 61885074 is about 7866.7066806892. The cubic root of 61885074 is about 395.5444588210.

The spelling of 61885074 in words is "sixty-one million, eight hundred eighty-five thousand, seventy-four".

Divisors: 1 2 3 6 10314179 20628358 30942537 61885074