Base | Representation |
---|---|
bin | 1010111110010000… |
… | …1011011110101000 |
3 | 21121021110202021111 |
4 | 2233210023132220 |
5 | 22013021401000 |
6 | 1204140120104 |
7 | 132664211545 |
oct | 25744133650 |
9 | 7537422244 |
10 | 2945497000 |
11 | 1281724546 |
12 | 6a2536034 |
13 | 37c310644 |
14 | 1dd299bcc |
15 | 1238c9cba |
hex | af90b7a8 |
2945497000 has 32 divisors (see below), whose sum is σ = 6892465320. Its totient is φ = 1178198400.
The previous prime is 2945496991. The next prime is 2945497013. The reversal of 2945497000 is 7945492.
It can be written as a sum of positive squares in 4 ways, for example, as 1944280836 + 1001216164 = 44094^2 + 31642^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
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 7 ways as a sum of consecutive naturals, for example, 1471749 + ... + 1473748.
Almost surely, 22945497000 is an apocalyptic number.
2945497000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2945497000 is an abundant number, since it is smaller than the sum of its proper divisors (3946968320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2945497000 is a wasteful number, since it uses less digits than its factorization.
2945497000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2945518 (or 2945504 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 40.
The square root of 2945497000 is about 54272.4331498045. The cubic root of 2945497000 is about 1433.4620339936.
The spelling of 2945497000 in words is "two billion, nine hundred forty-five million, four hundred ninety-seven thousand".
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