Base | Representation |
---|---|
bin | 1010110011111100… |
… | …1010111011011101 |
3 | 21111021002010012000 |
4 | 2230333022323131 |
5 | 21420433202424 |
6 | 1155553032513 |
7 | 131630432664 |
oct | 25477127335 |
9 | 7437063160 |
10 | 2902240989 |
11 | 125a26a67a |
12 | 68bb55739 |
13 | 373376a7b |
14 | 1d7639ddb |
15 | 11ebd33c9 |
hex | acfcaedd |
2902240989 has 32 divisors (see below), whose sum is σ = 4351918080. Its totient is φ = 1911438000.
The previous prime is 2902240951. The next prime is 2902241021. The reversal of 2902240989 is 9890422092.
It is not a de Polignac number, because 2902240989 - 228 = 2633805533 is a prime.
It is a super-3 number, since 3×29022409893 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2902240919) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776844 + ... + 780570.
It is an arithmetic number, because the mean of its divisors is an integer number (135997440).
Almost surely, 22902240989 is an apocalyptic number.
It is an amenable number.
2902240989 is a deficient number, since it is larger than the sum of its proper divisors (1449677091).
2902240989 is a wasteful number, since it uses less digits than its factorization.
2902240989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4078 (or 4072 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 45.
The square root of 2902240989 is about 53872.4511137186. The cubic root of 2902240989 is about 1426.4103798071.
The spelling of 2902240989 in words is "two billion, nine hundred two million, two hundred forty thousand, nine hundred eighty-nine".
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