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748890564 = 22362407547
BaseRepresentation
bin101100101000110…
…010100111000100
31221012011120201120
4230220302213010
53013203444224
6202151153540
724362315262
oct5450624704
91835146646
10748890564
11354802624
1218a9758b0
13bc1c9816
1471663432
1545b2d779
hex2ca329c4

748890564 has 12 divisors (see below), whose sum is σ = 1747411344. Its totient is φ = 249630184.

The previous prime is 748890553. The next prime is 748890587. The reversal of 748890564 is 465098847.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31203762 + ... + 31203785.

It is an arithmetic number, because the mean of its divisors is an integer number (145617612).

Almost surely, 2748890564 is an apocalyptic number.

It is an amenable number.

748890564 is an abundant number, since it is smaller than the sum of its proper divisors (998520780).

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

748890564 is a wasteful number, since it uses less digits than its factorization.

748890564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62407554 (or 62407552 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 748890564 is about 27365.8649415654. The cubic root of 748890564 is about 908.1120800018.

The spelling of 748890564 in words is "seven hundred forty-eight million, eight hundred ninety thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 62407547 124815094 187222641 249630188 374445282 748890564