Search a number
-
+
85337420 = 2257231532
BaseRepresentation
bin1010001011000…
…10010101001100
312221120120221012
411011202111030
5133321244140
612245024352
72054233100
oct505422514
9187516835
1085337420
11441972a3
12246b50b8
13148ab91c
14b495900
15775a265
hex516254c

85337420 has 108 divisors (see below), whose sum is σ = 219328704. Its totient is φ = 27780480.

The previous prime is 85337419. The next prime is 85337453. The reversal of 85337420 is 2473358.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1610114 + ... + 1610166.

Almost surely, 285337420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85337420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109664352).

85337420 is an abundant number, since it is smaller than the sum of its proper divisors (133991284).

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

85337420 is a wasteful number, since it uses less digits than its factorization.

85337420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 85337420 is about 9237.8255017076. The cubic root of 85337420 is about 440.2639944675.

The spelling of 85337420 in words is "eighty-five million, three hundred thirty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 49 53 62 70 98 106 124 140 155 196 212 217 245 265 310 371 434 490 530 620 742 868 980 1060 1085 1484 1519 1643 1855 2170 2597 2809 3038 3286 3710 4340 5194 5618 6076 6572 7420 7595 8215 10388 11236 11501 12985 14045 15190 16430 19663 23002 25970 28090 30380 32860 39326 46004 51940 56180 57505 78652 80507 87079 98315 115010 137641 161014 174158 196630 230020 275282 322028 348316 393260 402535 435395 550564 609553 688205 805070 870790 1219106 1376410 1610140 1741580 2438212 2752820 3047765 4266871 6095530 8533742 12191060 17067484 21334355 42668710 85337420