Search a number
-
+
61616014 = 26726863
BaseRepresentation
bin1110101100001…
…0111110001110
311021221102021121
43223002332032
5111233203024
610040351154
71345504345
oct353027616
9137842247
1061616014
1131865029
12187754ba
13c9c46a5
14827cb5c
1556218e4
hex3ac2f8e

61616014 has 12 divisors (see below), whose sum is σ = 93837744. Its totient is φ = 30343764.

The previous prime is 61615999. The next prime is 61616017. The reversal of 61616014 is 41061616.

It is a self number, because there is not a number n which added to its sum of digits gives 61616014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61616017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5547 + ... + 12409.

It is an arithmetic number, because the mean of its divisors is an integer number (7819812).

Almost surely, 261616014 is an apocalyptic number.

61616014 is a deficient number, since it is larger than the sum of its proper divisors (32221730).

61616014 is an equidigital number, since it uses as much as digits as its factorization.

61616014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999 (or 6932 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 61616014 is about 7849.5868681097. The cubic root of 61616014 is about 394.9703850040.

The spelling of 61616014 in words is "sixty-one million, six hundred sixteen thousand, fourteen".

Divisors: 1 2 67 134 4489 6863 8978 13726 459821 919642 30808007 61616014