Search a number
-
+
61118698 = 2109491571
BaseRepresentation
bin1110100100100…
…1100011101010
311021000011002111
43221021203222
5111121244243
610021552534
71341333424
oct351114352
9137004074
1061118698
1131555423
121857574a
13c87c214
14818d814
15557439d
hex3a498ea

61118698 has 16 divisors (see below), whose sum is σ = 92869920. Its totient is φ = 30164400.

The previous prime is 61118693. The next prime is 61118713. The reversal of 61118698 is 89681116.

61118698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61118698.

It is not an unprimeable number, because it can be changed into a prime (61118693) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 106753 + ... + 107323.

It is an arithmetic number, because the mean of its divisors is an integer number (5804370).

Almost surely, 261118698 is an apocalyptic number.

61118698 is a deficient number, since it is larger than the sum of its proper divisors (31751222).

61118698 is a wasteful number, since it uses less digits than its factorization.

61118698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its digits is 20736, while the sum is 40.

The square root of 61118698 is about 7817.8448436893. The cubic root of 61118698 is about 393.9048831178.

It can be divided in two parts, 61118 and 698, that added together give a palindrome (61816).

The spelling of 61118698 in words is "sixty-one million, one hundred eighteen thousand, six hundred ninety-eight".

Divisors: 1 2 109 218 491 571 982 1142 53519 62239 107038 124478 280361 560722 30559349 61118698