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1097671087 = 8964319181
BaseRepresentation
bin100000101101101…
…0010000110101111
32211111110110122201
41001123102012233
54222000433322
6300530522331
736126023152
oct10133220657
92744413581
101097671087
11513674597
122677363a7
13146546926
14a5ad3c99
1566575d27
hex416d21af

1097671087 has 8 divisors (see below), whose sum is σ = 1111788720. Its totient is φ = 1083593280.

The previous prime is 1097671073. The next prime is 1097671121. The reversal of 1097671087 is 7801767901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1097671087 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 (1097671037) 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, 47637 + ... + 66817.

It is an arithmetic number, because the mean of its divisors is an integer number (138973590).

Almost surely, 21097671087 is an apocalyptic number.

1097671087 is a deficient number, since it is larger than the sum of its proper divisors (14117633).

1097671087 is an equidigital number, since it uses as much as digits as its factorization.

1097671087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19913.

The product of its (nonzero) digits is 148176, while the sum is 46.

The square root of 1097671087 is about 33131.1196158536. The cubic root of 1097671087 is about 1031.5510884198.

The spelling of 1097671087 in words is "one billion, ninety-seven million, six hundred seventy-one thousand, eighty-seven".

Divisors: 1 89 643 19181 57227 1707109 12333383 1097671087