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86350890 = 23510926407
BaseRepresentation
bin1010010010110…
…01110000101010
320000111002011010
411021121300222
5134101212030
612322444350
72065653603
oct511316052
9200432133
1086350890
114481977a
1224b036b6
1314b75002
14b67adaa
1578aa6b0
hex5259c2a

86350890 has 32 divisors (see below), whose sum is σ = 209151360. Its totient is φ = 22814784.

The previous prime is 86350843. The next prime is 86350921. The reversal of 86350890 is 9805368.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9934 + ... + 16473.

It is an arithmetic number, because the mean of its divisors is an integer number (6535980).

Almost surely, 286350890 is an apocalyptic number.

86350890 is an abundant number, since it is smaller than the sum of its proper divisors (122800470).

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

86350890 is a wasteful number, since it uses less digits than its factorization.

86350890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26526.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 86350890 is about 9292.5179580133. The cubic root of 86350890 is about 442.0000034124. Note that the first 5 decimals are identical.

The spelling of 86350890 in words is "eighty-six million, three hundred fifty thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 109 218 327 545 654 1090 1635 3270 26407 52814 79221 132035 158442 264070 396105 792210 2878363 5756726 8635089 14391815 17270178 28783630 43175445 86350890