Search a number
-
+
61188116 = 22111390639
BaseRepresentation
bin1110100101101…
…0100000010100
311021010200022112
43221122200110
5111131004431
610023250152
71342043003
oct351324024
9137120275
1061188116
11315a25a0
12185a9958
13c8a49b2
1481aac3a
155589c2b
hex3a5a814

61188116 has 12 divisors (see below), whose sum is σ = 116813760. Its totient is φ = 27812760.

The previous prime is 61188103. The next prime is 61188137.

61188116 is nontrivially palindromic in base 10.

It is a congruent 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, 695276 + ... + 695363.

It is an arithmetic number, because the mean of its divisors is an integer number (9734480).

Almost surely, 261188116 is an apocalyptic number.

It is an amenable number.

61188116 is a deficient number, since it is larger than the sum of its proper divisors (55625644).

61188116 is a wasteful number, since it uses less digits than its factorization.

61188116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390654 (or 1390652 counting only the distinct ones).

The product of its digits is 2304, while the sum is 32.

The square root of 61188116 is about 7822.2832983727. The cubic root of 61188116 is about 394.0539577558.

The spelling of 61188116 in words is "sixty-one million, one hundred eighty-eight thousand, one hundred sixteen".

Divisors: 1 2 4 11 22 44 1390639 2781278 5562556 15297029 30594058 61188116