Search a number
-
+
85970892 = 2237320887
BaseRepresentation
bin1010001111111…
…00111111001100
312222202202220010
411013330333030
5134002032032
612310353220
72062512000
oct507747714
9188682803
1085970892
114458a227
122495b810
1314a71067
14b5bc700
157832ccc
hex51fcfcc

85970892 has 48 divisors (see below), whose sum is σ = 233945600. Its totient is φ = 24561936.

The previous prime is 85970879. The next prime is 85970903. The reversal of 85970892 is 29807958.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6328 + ... + 14559.

Almost surely, 285970892 is an apocalyptic number.

It is an amenable number.

85970892 is an abundant number, since it is smaller than the sum of its proper divisors (147974708).

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

85970892 is a wasteful number, since it uses less digits than its factorization.

85970892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915 (or 20899 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 85970892 is about 9272.0489644954. The cubic root of 85970892 is about 441.3506910679.

The spelling of 85970892 in words is "eighty-five million, nine hundred seventy thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 343 588 686 1029 1372 2058 4116 20887 41774 62661 83548 125322 146209 250644 292418 438627 584836 877254 1023463 1754508 2046926 3070389 4093852 6140778 7164241 12281556 14328482 21492723 28656964 42985446 85970892