Search a number
-
+
61118486 = 21113297369
BaseRepresentation
bin1110100100100…
…1100000010110
311021000010210122
43221021200112
5111121242421
610021551542
71341333002
oct351114026
9137003718
1061118486
1131555250
12185755b2
13c87c0b0
14818d702
1555742ab
hex3a49816

61118486 has 32 divisors (see below), whose sum is σ = 111434400. Its totient is φ = 24756480.

The previous prime is 61118483. The next prime is 61118489. The reversal of 61118486 is 68481116.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61118483) and next prime (61118489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61118483) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4610 + ... + 11978.

It is an arithmetic number, because the mean of its divisors is an integer number (3482325).

Almost surely, 261118486 is an apocalyptic number.

61118486 is a deficient number, since it is larger than the sum of its proper divisors (50315914).

61118486 is a wasteful number, since it uses less digits than its factorization.

61118486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424.

The product of its digits is 9216, while the sum is 35.

The square root of 61118486 is about 7817.8312849536. The cubic root of 61118486 is about 393.9044276766.

The spelling of 61118486 in words is "sixty-one million, one hundred eighteen thousand, four hundred eighty-six".

Divisors: 1 2 11 13 22 26 29 58 143 286 319 377 638 754 4147 7369 8294 14738 81059 95797 162118 191594 213701 427402 1053767 2107534 2350711 2778113 4701422 5556226 30559243 61118486