Search a number
-
+
61983441 = 3313176591
BaseRepresentation
bin1110110001110…
…0101011010001
311022122002022000
43230130223101
5111331432231
610052304213
71351564512
oct354345321
9138562260
1061983441
1131a96093
1218912069
13cac29c0
148336a09
1556956e6
hex3b1cad1

61983441 has 16 divisors (see below), whose sum is σ = 98891520. Its totient is φ = 38143440.

The previous prime is 61983437. The next prime is 61983457. The reversal of 61983441 is 14438916.

61983441 is a `hidden beast` number, since 619 + 8 + 34 + 4 + 1 = 666.

It is not a de Polignac number, because 61983441 - 22 = 61983437 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61983396 and 61983405.

It is not an unprimeable number, because it can be changed into a prime (61983401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87945 + ... + 88646.

It is an arithmetic number, because the mean of its divisors is an integer number (6180720).

Almost surely, 261983441 is an apocalyptic number.

It is an amenable number.

61983441 is a deficient number, since it is larger than the sum of its proper divisors (36908079).

61983441 is a wasteful number, since it uses less digits than its factorization.

61983441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176613 (or 176607 counting only the distinct ones).

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

The square root of 61983441 is about 7872.9563062423. The cubic root of 61983441 is about 395.7539219558.

The spelling of 61983441 in words is "sixty-one million, nine hundred eighty-three thousand, four hundred forty-one".

Divisors: 1 3 9 13 27 39 117 351 176591 529773 1589319 2295683 4767957 6887049 20661147 61983441