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86834157 = 343739221
BaseRepresentation
bin1010010110011…
…11101111101101
320001101122001220
411023033233231
5134212143112
612341053553
72103035544
oct513175755
9201348056
1086834157
1145019873
12250b72b9
1314cb3c77
14b76515b
15795398c
hex52cfbed

86834157 has 16 divisors (see below), whose sum is σ = 120107328. Its totient is φ = 55762560.

The previous prime is 86834141. The next prime is 86834159. The reversal of 86834157 is 75143868.

It is not a de Polignac number, because 86834157 - 24 = 86834141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86834159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4807 + ... + 14027.

It is an arithmetic number, because the mean of its divisors is an integer number (7506708).

Almost surely, 286834157 is an apocalyptic number.

It is an amenable number.

86834157 is a deficient number, since it is larger than the sum of its proper divisors (33273171).

86834157 is a wasteful number, since it uses less digits than its factorization.

86834157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340.

The product of its digits is 161280, while the sum is 42.

The square root of 86834157 is about 9318.4846944125. The cubic root of 86834157 is about 442.8230281981.

The spelling of 86834157 in words is "eighty-six million, eight hundred thirty-four thousand, one hundred fifty-seven".

Divisors: 1 3 43 73 129 219 3139 9221 9417 27663 396503 673133 1189509 2019399 28944719 86834157