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169435086 = 23193146317
BaseRepresentation
bin10100001100101…
…01111111001110
3102210211012020120
422012111333032
5321333410321
624451325410
74125113562
oct1206257716
9383735216
10169435086
11877070a7
12488b0866
1329145162
14187076a2
15ed1cec6
hexa195fce

169435086 has 16 divisors (see below), whose sum is σ = 340628304. Its totient is φ = 56185344.

The previous prime is 169435069. The next prime is 169435127. The reversal of 169435086 is 680534961.

169435086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1694350863 (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72001 + ... + 74316.

It is an arithmetic number, because the mean of its divisors is an integer number (21289269).

Almost surely, 2169435086 is an apocalyptic number.

169435086 is an abundant number, since it is smaller than the sum of its proper divisors (171193218).

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

169435086 is a wasteful number, since it uses less digits than its factorization.

169435086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146515.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 169435086 is about 13016.7233204059. The cubic root of 169435086 is about 553.3515309091.

The spelling of 169435086 in words is "one hundred sixty-nine million, four hundred thirty-five thousand, eighty-six".

Divisors: 1 2 3 6 193 386 579 1158 146317 292634 438951 877902 28239181 56478362 84717543 169435086