Search a number
85670325 = 3352132751
BaseRepresentation
bin1010001101100…
…11100110110101
312222012111121000
411012303212311
5133412422300
612300113513
72060120466
oct506634665
9188174530
1085670325
11443a4424
1224835899
1314997300
14b540d6d
1577c3c00
hex51b39b5

85670325 has 72 divisors (see below), whose sum is σ = 170643840. Its totient is φ = 42120000.

The previous prime is 85670323. The next prime is 85670341. The reversal of 85670325 is 52307658.

It is not a de Polignac number, because 85670325 - 21 = 85670323 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 85670325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85670323) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 113700 + ... + 114450.

Almost surely, 285670325 is an apocalyptic number.

It is an amenable number.

85670325 is a deficient number, since it is larger than the sum of its proper divisors (84973515).

85670325 is a wasteful number, since it uses less digits than its factorization.

85670325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 85670325 is about 9255.8265433185. The cubic root of 85670325 is about 440.8357479849.

The spelling of 85670325 in words is "eighty-five million, six hundred seventy thousand, three hundred twenty-five".