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61008841 is a prime number
BaseRepresentation
bin1110100010111…
…0101111001001
311020210120101201
43220232233021
5111104240331
610015344201
71340365225
oct350565711
9136716351
1061008841
113148a933
1218522061
13c84120a
148161785
155551a61
hex3a2ebc9

61008841 has 2 divisors, whose sum is σ = 61008842. Its totient is φ = 61008840.

The previous prime is 61008839. The next prime is 61008851. The reversal of 61008841 is 14880016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38007225 + 23001616 = 6165^2 + 4796^2 .

It is a cyclic number.

It is not a de Polignac number, because 61008841 - 21 = 61008839 is a prime.

Together with 61008839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61008851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30504420 + 30504421.

It is an arithmetic number, because the mean of its divisors is an integer number (30504421).

Almost surely, 261008841 is an apocalyptic number.

It is an amenable number.

61008841 is a deficient number, since it is larger than the sum of its proper divisors (1).

61008841 is an equidigital number, since it uses as much as digits as its factorization.

61008841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 61008841 is about 7810.8156424281. The cubic root of 61008841 is about 393.6687351902.

Adding to 61008841 its reverse (14880016), we get a palindrome (75888857).

It can be divided in two parts, 6100 and 8841, that added together give a palindrome (14941).

The spelling of 61008841 in words is "sixty-one million, eight thousand, eight hundred forty-one".