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97061020 = 225753103127
BaseRepresentation
bin1011100100100…
…00100010011100
320202122012200121
411302100202130
5144321423040
613344204324
72256001510
oct562204234
9222565617
1097061020
114a874421
12286096a4
1317154b74
14cc68140
1587c3c4a
hex5c9089c

97061020 has 96 divisors (see below), whose sum is σ = 241532928. Its totient is φ = 32078592.

The previous prime is 97060979. The next prime is 97061023. The reversal of 97061020 is 2016079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97061023) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 764197 + ... + 764323.

It is an arithmetic number, because the mean of its divisors is an integer number (2515968).

Almost surely, 297061020 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 97061020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120766464).

97061020 is an abundant number, since it is smaller than the sum of its proper divisors (144471908).

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

97061020 is a wasteful number, since it uses less digits than its factorization.

97061020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 97061020 is about 9851.9551359108. The cubic root of 97061020 is about 459.5664156394.

Adding to 97061020 its reverse (2016079), we get a palindrome (99077099).

The spelling of 97061020 in words is "ninety-seven million, sixty-one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 53 70 103 106 127 140 206 212 254 265 371 412 508 515 530 635 721 742 889 1030 1060 1270 1442 1484 1778 1855 2060 2540 2884 3556 3605 3710 4445 5459 6731 7210 7420 8890 10918 13081 13462 14420 17780 21836 26162 26924 27295 33655 38213 47117 52324 54590 65405 67310 76426 91567 94234 109180 130810 134620 152852 183134 188468 191065 235585 261620 366268 382130 457835 471170 693293 764260 915670 942340 1386586 1831340 2773172 3466465 4853051 6932930 9706102 13865860 19412204 24265255 48530510 97061020