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1086681345 = 351923165779
BaseRepresentation
bin100000011000101…
…0111000100000001
32210201210010120020
41000301113010001
54211142300340
6255455204053
735633432121
oct10061270401
92721703506
101086681345
11508448862
12263b16629
13144199719
14a4472c81
15656049d0
hex40c57101

1086681345 has 32 divisors (see below), whose sum is σ = 1909785600. Its totient is φ = 525184704.

The previous prime is 1086681329. The next prime is 1086681371. The reversal of 1086681345 is 5431866801.

It is not a de Polignac number, because 1086681345 - 24 = 1086681329 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1086681297 and 1086681306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76335 + ... + 89444.

It is an arithmetic number, because the mean of its divisors is an integer number (59680800).

Almost surely, 21086681345 is an apocalyptic number.

1086681345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1086681345 is a deficient number, since it is larger than the sum of its proper divisors (823104255).

1086681345 is a wasteful number, since it uses less digits than its factorization.

1086681345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165829.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1086681345 is about 32964.8501437516. The cubic root of 1086681345 is about 1028.0969494908.

The spelling of 1086681345 in words is "one billion, eighty-six million, six hundred eighty-one thousand, three hundred forty-five".

Divisors: 1 3 5 15 19 23 57 69 95 115 285 345 437 1311 2185 6555 165779 497337 828895 2486685 3149801 3812917 9449403 11438751 15749005 19064585 47247015 57193755 72445423 217336269 362227115 1086681345