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1087689066 = 231429126859
BaseRepresentation
bin100000011010100…
…1101000101101010
32210210200022220020
41000311031011222
54211422022231
6255532541310
735645130102
oct10065150552
92723608806
101087689066
11508a76992
12264321836
131444602c9
14a4656202
1565753396
hex40d4d16a

1087689066 has 16 divisors (see below), whose sum is σ = 2176917600. Its totient is φ = 362306448.

The previous prime is 1087689059. The next prime is 1087689077. The reversal of 1087689066 is 6609867801.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54856 + ... + 72003.

It is an arithmetic number, because the mean of its divisors is an integer number (136057350).

Almost surely, 21087689066 is an apocalyptic number.

1087689066 is an abundant number, since it is smaller than the sum of its proper divisors (1089228534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087689066 is a wasteful number, since it uses less digits than its factorization.

1087689066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128293.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 1087689066 is about 32980.1313823945. The cubic root of 1087689066 is about 1028.4146491256.

The spelling of 1087689066 in words is "one billion, eighty-seven million, six hundred eighty-nine thousand, sixty-six".

Divisors: 1 2 3 6 1429 2858 4287 8574 126859 253718 380577 761154 181281511 362563022 543844533 1087689066