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61126087 = 116191097
BaseRepresentation
bin1110100100101…
…1010111000111
311021000112020011
43221023113013
5111122013322
610022051051
71341364111
oct351132707
9137015204
1061126087
113155aa30
1218579a87
13c8826a9
1481923b1
155576677
hex3a4b5c7

61126087 has 8 divisors (see below), whose sum is σ = 67776912. Its totient is φ = 54657600.

The previous prime is 61126073. The next prime is 61126099. The reversal of 61126087 is 78062116.

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

It is a cyclic number.

It is not a de Polignac number, because 61126087 - 219 = 60601799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61126007) 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, 44878 + ... + 46219.

It is an arithmetic number, because the mean of its divisors is an integer number (8472114).

Almost surely, 261126087 is an apocalyptic number.

61126087 is a deficient number, since it is larger than the sum of its proper divisors (6650825).

61126087 is a wasteful number, since it uses less digits than its factorization.

61126087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91169.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 61126087 is about 7818.3174021013. The cubic root of 61126087 is about 393.9207563066.

The spelling of 61126087 in words is "sixty-one million, one hundred twenty-six thousand, eighty-seven".

Divisors: 1 11 61 671 91097 1002067 5556917 61126087