Search a number
-
+
85074272 = 2510192609
BaseRepresentation
bin1010001001000…
…10000101100000
312221002012221222
411010202011200
5133234334042
612235234212
72052055643
oct504420540
9187065858
1085074272
1144027618
12245a8968
1314818c0a
14b427a5a
1577072d2
hex5122160

85074272 has 24 divisors (see below), whose sum is σ = 167718600. Its totient is φ = 42479104.

The previous prime is 85074271. The next prime is 85074287. The reversal of 85074272 is 27247058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85074271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31304 + ... + 33912.

It is an arithmetic number, because the mean of its divisors is an integer number (6988275).

Almost surely, 285074272 is an apocalyptic number.

It is an amenable number.

85074272 is a deficient number, since it is larger than the sum of its proper divisors (82644328).

85074272 is a wasteful number, since it uses less digits than its factorization.

85074272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 85074272 is about 9223.5715425208. The cubic root of 85074272 is about 439.8109932019.

The spelling of 85074272 in words is "eighty-five million, seventy-four thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 1019 2038 2609 4076 5218 8152 10436 16304 20872 32608 41744 83488 2658571 5317142 10634284 21268568 42537136 85074272