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85153700 = 2252851537
BaseRepresentation
bin1010001001101…
…01011110100100
312221020020220202
411010311132210
5133244404300
612241050032
72052536342
oct504653644
9187206822
1085153700
1144081265
1224626918
1314846108
14b448992
157720ad5
hex51357a4

85153700 has 18 divisors (see below), whose sum is σ = 184783746. Its totient is φ = 34061440.

The previous prime is 85153667. The next prime is 85153727. The reversal of 85153700 is 735158.

It can be written as a sum of positive squares in 3 ways, for example, as 1577536 + 83576164 = 1256^2 + 9142^2 .

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 5 ways as a sum of consecutive naturals, for example, 425669 + ... + 425868.

Almost surely, 285153700 is an apocalyptic number.

It is an amenable number.

85153700 is an abundant number, since it is smaller than the sum of its proper divisors (99630046).

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

85153700 is a wasteful number, since it uses less digits than its factorization.

85153700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851551 (or 851544 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 85153700 is about 9227.8762453774. The cubic root of 85153700 is about 439.9478243917.

Adding to 85153700 its reverse (735158), we get a palindrome (85888858).

The spelling of 85153700 in words is "eighty-five million, one hundred fifty-three thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 851537 1703074 3406148 4257685 8515370 17030740 21288425 42576850 85153700