Base | Representation |
---|---|
bin | 10101010111001011… |
… | …001101011100100000 |
3 | 2012012112202021211102 |
4 | 111113023031130200 |
5 | 333433433033203 |
6 | 14312015533532 |
7 | 1441260423452 |
oct | 252713153440 |
9 | 65175667742 |
10 | 22937392928 |
11 | 980061888a |
12 | 454182a2a8 |
13 | 221710b668 |
14 | 11784722d2 |
15 | 8e3a94888 |
hex | 5572cd720 |
22937392928 has 54 divisors (see below), whose sum is σ = 46357261587. Its totient is φ = 11171837440.
The previous prime is 22937392909. The next prime is 22937392957. The reversal of 22937392928 is 82929373922.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 84419344 + 22852973584 = 9188^2 + 151172^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=107092.
It is a super-2 number, since 2×229373929282 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
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 8 ways as a sum of consecutive naturals, for example, 35125850 + ... + 35126502.
Almost surely, 222937392928 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 22937392928
22937392928 is an abundant number, since it is smaller than the sum of its proper divisors (23419868659).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22937392928 is an frugal number, since it uses more digits than its factorization.
22937392928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1398 (or 696 counting only the distinct ones).
The product of its digits is 5878656, while the sum is 56.
The spelling of 22937392928 in words is "twenty-two billion, nine hundred thirty-seven million, three hundred ninety-two thousand, nine hundred twenty-eight".
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