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61968422 = 2191162221
BaseRepresentation
bin1110110001100…
…1000000100110
311022121022200202
43230121000212
5111330442142
610052110502
71351502645
oct354310046
9138538622
1061968422
1131a8587a
1218905432
13cab8c09
14833135c
155691032
hex3b19026

61968422 has 8 divisors (see below), whose sum is σ = 93439872. Its totient is φ = 30821800.

The previous prime is 61968421. The next prime is 61968457. The reversal of 61968422 is 22486916.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61968421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80729 + ... + 81492.

It is an arithmetic number, because the mean of its divisors is an integer number (11679984).

Almost surely, 261968422 is an apocalyptic number.

61968422 is a deficient number, since it is larger than the sum of its proper divisors (31471450).

61968422 is a wasteful number, since it uses less digits than its factorization.

61968422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162414.

The product of its digits is 41472, while the sum is 38.

The square root of 61968422 is about 7872.0024136175. The cubic root of 61968422 is about 395.7219547713.

Subtracting from 61968422 its sum of digits (38), we obtain a square (61968384 = 78722).

The spelling of 61968422 in words is "sixty-one million, nine hundred sixty-eight thousand, four hundred twenty-two".

Divisors: 1 2 191 382 162221 324442 30984211 61968422