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85174100 = 22521177431
BaseRepresentation
bin1010001001110…
…10011101010100
312221021021220022
411010322131110
5133301032400
612241324312
72052652664
oct504723524
9187237808
1085174100
1144095620
1224636698
131485249b
14b4521a4
157726b85
hex513a754

85174100 has 36 divisors (see below), whose sum is σ = 201632928. Its totient is φ = 30972000.

The previous prime is 85174079. The next prime is 85174139. The reversal of 85174100 is 147158.

It is a self number, because there is not a number n which added to its sum of digits gives 85174100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37616 + ... + 39815.

Almost surely, 285174100 is an apocalyptic number.

It is an amenable number.

85174100 is an abundant number, since it is smaller than the sum of its proper divisors (116458828).

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

85174100 is a wasteful number, since it uses less digits than its factorization.

85174100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77456 (or 77449 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 85174100 is about 9228.9815256073. The cubic root of 85174100 is about 439.9829538851.

The spelling of 85174100 in words is "eighty-five million, one hundred seventy-four thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 77431 154862 309724 387155 774310 851741 1548620 1703482 1935775 3406964 3871550 4258705 7743100 8517410 17034820 21293525 42587050 85174100