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61984341 = 326887149
BaseRepresentation
bin1110110001110…
…0111001010101
311022122010112100
43230130321111
5111331444331
610052312313
71351600236
oct354347125
9138563470
1061984341
1131a96831
1218912699
13cac3233
14833708d
155695ae6
hex3b1ce55

61984341 has 6 divisors (see below), whose sum is σ = 89532950. Its totient is φ = 41322888.

The previous prime is 61984309. The next prime is 61984367. The reversal of 61984341 is 14348916.

61984341 is a `hidden beast` number, since 619 + 8 + 4 + 34 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61074225 + 910116 = 7815^2 + 954^2 .

It is not a de Polignac number, because 61984341 - 25 = 61984309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61984296 and 61984305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61984301) 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, 3443566 + ... + 3443583.

Almost surely, 261984341 is an apocalyptic number.

It is an amenable number.

61984341 is a deficient number, since it is larger than the sum of its proper divisors (27548609).

61984341 is a wasteful number, since it uses less digits than its factorization.

61984341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887155 (or 6887152 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 61984341 is about 7873.0134637253. The cubic root of 61984341 is about 395.7558373965.

The spelling of 61984341 in words is "sixty-one million, nine hundred eighty-four thousand, three hundred forty-one".

Divisors: 1 3 9 6887149 20661447 61984341