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85306900 = 22527121867
BaseRepresentation
bin1010001010110…
…10111000010100
312221112001001211
411011122320110
5133314310100
612244231204
72054045110
oct505327024
9187461054
1085306900
1144176378
122469b504
131489aa73
14b488740
1577511ba
hex515ae14

85306900 has 36 divisors (see below), whose sum is σ = 211562848. Its totient is φ = 29247840.

The previous prime is 85306877. The next prime is 85306909. The reversal of 85306900 is 960358.

It is a super-2 number, since 2×853069002 = 14554534375220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85306909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60234 + ... + 61633.

Almost surely, 285306900 is an apocalyptic number.

It is an amenable number.

85306900 is an abundant number, since it is smaller than the sum of its proper divisors (126255948).

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

85306900 is a wasteful number, since it uses less digits than its factorization.

85306900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121888 (or 121881 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 85306900 is about 9236.1734500820. The cubic root of 85306900 is about 440.2115029998.

The spelling of 85306900 in words is "eighty-five million, three hundred six thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 121867 243734 487468 609335 853069 1218670 1706138 2437340 3046675 3412276 4265345 6093350 8530690 12186700 17061380 21326725 42653450 85306900