Search a number
-
+
61736041 = 293376317
BaseRepresentation
bin1110101110000…
…0010001101001
311022011111221001
43223200101221
5111301023131
610043115001
71346514313
oct353402151
9138144831
1061736041
1131937224
1218812a61
13ca37203
1482b07b3
155647261
hex3ae0469

61736041 has 8 divisors (see below), whose sum is σ = 64064520. Its totient is φ = 59420928.

The previous prime is 61736039. The next prime is 61736047. The reversal of 61736041 is 14063716.

It can be written as a sum of positive squares in 4 ways, for example, as 5546025 + 56190016 = 2355^2 + 7496^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 61736041 - 21 = 61736039 is a prime.

It is a super-2 number, since 2×617360412 = 7622677516707362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61736047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6615 + ... + 12931.

It is an arithmetic number, because the mean of its divisors is an integer number (8008065).

Almost surely, 261736041 is an apocalyptic number.

It is an amenable number.

61736041 is a deficient number, since it is larger than the sum of its proper divisors (2328479).

61736041 is a wasteful number, since it uses less digits than its factorization.

61736041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6683.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 61736041 is about 7857.2285826492. The cubic root of 61736041 is about 395.2266839639.

Adding to 61736041 its reverse (14063716), we get a palindrome (75799757).

The spelling of 61736041 in words is "sixty-one million, seven hundred thirty-six thousand, forty-one".

Divisors: 1 29 337 6317 9773 183193 2128829 61736041