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61941097 = 241257017
BaseRepresentation
bin1110110001001…
…0010101101001
311022112221012201
43230102111221
5111324103342
610051340201
71351330201
oct354222551
9138487181
1061941097
1131a67299
12188b1661
13caa964a
148325401
155687db7
hex3b12569

61941097 has 4 divisors (see below), whose sum is σ = 62198356. Its totient is φ = 61683840.

The previous prime is 61941073. The next prime is 61941101. The reversal of 61941097 is 79014916.

61941097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 42263001 = 4436^2 + 6501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61941097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61941017) 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 3 ways as a sum of consecutive naturals, for example, 128268 + ... + 128749.

It is an arithmetic number, because the mean of its divisors is an integer number (15549589).

Almost surely, 261941097 is an apocalyptic number.

It is an amenable number.

61941097 is a deficient number, since it is larger than the sum of its proper divisors (257259).

61941097 is a wasteful number, since it uses less digits than its factorization.

61941097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257258.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 61941097 is about 7870.2666409722. The cubic root of 61941097 is about 395.6637816362.

The spelling of 61941097 in words is "sixty-one million, nine hundred forty-one thousand, ninety-seven".

Divisors: 1 241 257017 61941097