Search a number
-
+
97985052 = 223411191447
BaseRepresentation
bin1011101011100…
…10001000011100
320211101011020000
411311302020130
5200041010202
613420054300
72266600464
oct565621034
9224334200
1097985052
1150345690
1228994390
13173b9629
14d028ba4
15890791c
hex5d7221c

97985052 has 120 divisors (see below), whose sum is σ = 294349440. Its totient is φ = 28110240.

The previous prime is 97985051. The next prime is 97985077. The reversal of 97985052 is 25058979.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 97984989 and 97985007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97985051) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 66993 + ... + 68439.

It is an arithmetic number, because the mean of its divisors is an integer number (2452912).

Almost surely, 297985052 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 97985052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147174720).

97985052 is an abundant number, since it is smaller than the sum of its proper divisors (196364388).

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

97985052 is a wasteful number, since it uses less digits than its factorization.

97985052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 97985052 is about 9898.7399198080. The cubic root of 97985052 is about 461.0201869249.

The spelling of 97985052 in words is "ninety-seven million, nine hundred eighty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 9 11 12 18 19 22 27 33 36 38 44 54 57 66 76 81 99 108 114 132 162 171 198 209 228 297 324 342 396 418 513 594 627 684 836 891 1026 1188 1254 1447 1539 1782 1881 2052 2508 2894 3078 3564 3762 4341 5643 5788 6156 7524 8682 11286 13023 15917 16929 17364 22572 26046 27493 31834 33858 39069 47751 52092 54986 63668 67716 78138 82479 95502 109972 117207 143253 156276 164958 191004 234414 247437 286506 302423 329916 429759 468828 494874 573012 604846 742311 859518 907269 989748 1209692 1289277 1484622 1719036 1814538 2226933 2578554 2721807 2969244 3629076 4453866 5157108 5443614 8165421 8907732 10887228 16330842 24496263 32661684 48992526 97985052