Base | Representation |
---|---|
bin | 1010110100111011… |
… | …1111010100011100 |
3 | 21111112212210110101 |
4 | 2231032333110130 |
5 | 21423013401430 |
6 | 1200221550444 |
7 | 132010613434 |
oct | 25516772434 |
9 | 7445783411 |
10 | 2906387740 |
11 | 1261642143 |
12 | 691415424 |
13 | 374199379 |
14 | 1d7dd92c4 |
15 | 120251dca |
hex | ad3bf51c |
2906387740 has 24 divisors (see below), whose sum is σ = 6268372992. Its totient is φ = 1131134400.
The previous prime is 2906387719. The next prime is 2906387747. The reversal of 2906387740 is 477836092.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2906387747) 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 7 ways as a sum of consecutive naturals, for example, 1963036 + ... + 1964515.
It is an arithmetic number, because the mean of its divisors is an integer number (261182208).
Almost surely, 22906387740 is an apocalyptic number.
2906387740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2906387740 is an abundant number, since it is smaller than the sum of its proper divisors (3361985252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2906387740 is a wasteful number, since it uses less digits than its factorization.
2906387740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3927597 (or 3927595 counting only the distinct ones).
The product of its (nonzero) digits is 508032, while the sum is 46.
The square root of 2906387740 is about 53910.9241248933. The cubic root of 2906387740 is about 1427.0894129868.
It can be divided in two parts, 290638 and 7740, that added together give a triangular number (298378 = T772).
The spelling of 2906387740 in words is "two billion, nine hundred six million, three hundred eighty-seven thousand, seven hundred forty".
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