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61916894 = 21311512069
BaseRepresentation
bin1110110000110…
…0011011011110
311022111201000022
43230030123132
5111322320034
610051032142
71351166504
oct354143336
9138451008
1061916894
1131a50096
121889b652
13ca9b620
14831a674
155680b2e
hex3b0c6de

61916894 has 16 divisors (see below), whose sum is σ = 100154880. Its totient is φ = 28538400.

The previous prime is 61916893. The next prime is 61916917. The reversal of 61916894 is 49861916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61916893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28892 + ... + 30960.

It is an arithmetic number, because the mean of its divisors is an integer number (6259680).

Almost surely, 261916894 is an apocalyptic number.

61916894 is a deficient number, since it is larger than the sum of its proper divisors (38237986).

61916894 is a wasteful number, since it uses less digits than its factorization.

61916894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235.

The product of its digits is 93312, while the sum is 44.

The square root of 61916894 is about 7868.7288681209. The cubic root of 61916894 is about 395.6122407448.

The spelling of 61916894 in words is "sixty-one million, nine hundred sixteen thousand, eight hundred ninety-four".

Divisors: 1 2 13 26 1151 2069 2302 4138 14963 26897 29926 53794 2381419 4762838 30958447 61916894