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97219485 = 325111910337
BaseRepresentation
bin1011100101101…
…11001110011101
320202221021001200
411302313032131
5144342010420
613351430113
72260231506
oct562671635
9222837050
1097219485
114a972490
1228685339
13171ac02c
14cca9bad
158805b90
hex5cb739d

97219485 has 48 divisors (see below), whose sum is σ = 193527360. Its totient is φ = 44651520.

The previous prime is 97219457. The next prime is 97219489. The reversal of 97219485 is 58491279.

It is not a de Polignac number, because 97219485 - 213 = 97211293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 97219485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97219489) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 4237 + ... + 14573.

It is an arithmetic number, because the mean of its divisors is an integer number (4031820).

Almost surely, 297219485 is an apocalyptic number.

97219485 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97219485 is a deficient number, since it is larger than the sum of its proper divisors (96307875).

97219485 is a wasteful number, since it uses less digits than its factorization.

97219485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378 (or 10375 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 97219485 is about 9859.9941683553. The cubic root of 97219485 is about 459.8163807153.

It can be divided in two parts, 972194 and 85, that added together give a palindrome (972279).

The spelling of 97219485 in words is "ninety-seven million, two hundred nineteen thousand, four hundred eighty-five".

Divisors: 1 3 5 9 11 15 19 33 45 55 57 95 99 165 171 209 285 495 627 855 1045 1881 3135 9405 10337 31011 51685 93033 113707 155055 196403 341121 465165 568535 589209 982015 1023363 1705605 1767627 2160433 2946045 5116815 6481299 8838135 10802165 19443897 32406495 97219485