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9323640481 = 22324332
BaseRepresentation
bin10001010111011101…
…10111011010100001
3220001210002000021211
420223232313122201
5123043322443411
64141101550121
7450022431211
oct105356673241
926053060254
109323640481
113a54a52101
121982575341
13b5783753c
146463c0241
1539880a221
hex22bbb76a1

9323640481 has 9 divisors (see below), whose sum is σ = 9387317619. Its totient is φ = 9260394336.

The previous prime is 9323640467. The next prime is 9323640511. The reversal of 9323640481 is 1840463239.

It is a happy number.

The square root of 9323640481 is 96559.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1045552225 + 8278088256 = 32335^2 + 90984^2 .

It is not a de Polignac number, because 9323640481 - 211 = 9323638433 is a prime.

It is a super-2 number, since 2×93236404812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9323640401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21532441 + ... + 21532873.

It is an arithmetic number, because the mean of its divisors is an integer number (1043035291).

Almost surely, 29323640481 is an apocalyptic number.

9323640481 is the 96559-th square number.

9323640481 is the 48280-th centered octagonal number.

It is an amenable number.

9323640481 is a deficient number, since it is larger than the sum of its proper divisors (63677138).

9323640481 is an frugal number, since it uses more digits than its factorization.

9323640481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The cubic root of 9323640481 is about 2104.7240950872.

The spelling of 9323640481 in words is "nine billion, three hundred twenty-three million, six hundred forty thousand, four hundred eighty-one".

Divisors: 1 223 433 49729 96559 187489 21532657 41810047 9323640481