Base | Representation |
---|---|
bin | 1010111111010001… |
… | …0111111111111110 |
3 | 21121120110110010120 |
4 | 2233310113333332 |
5 | 22020113230330 |
6 | 1204411115410 |
7 | 133045253424 |
oct | 25764277776 |
9 | 7546413116 |
10 | 2949742590 |
11 | 12840642a3 |
12 | 6a3a42b66 |
13 | 380168c22 |
14 | 1dda83114 |
15 | 123e67c10 |
hex | afd17ffe |
2949742590 has 64 divisors (see below), whose sum is σ = 7890359040. Its totient is φ = 701360640.
The previous prime is 2949742577. The next prime is 2949742619. The reversal of 2949742590 is 952479492.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142516 + ... + 161895.
It is an arithmetic number, because the mean of its divisors is an integer number (123286860).
Almost surely, 22949742590 is an apocalyptic number.
2949742590 is an abundant number, since it is smaller than the sum of its proper divisors (4940616450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2949742590 is a wasteful number, since it uses less digits than its factorization.
2949742590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304457.
The product of its (nonzero) digits is 1632960, while the sum is 51.
The square root of 2949742590 is about 54311.5327531824. The cubic root of 2949742590 is about 1434.1504260694.
The spelling of 2949742590 in words is "two billion, nine hundred forty-nine million, seven hundred forty-two thousand, five hundred ninety".
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