Base | Representation |
---|---|
bin | 111010000100000… |
… | …1101001000000010 |
3 | 12000210002022002110 |
4 | 1310020031020002 |
5 | 12442231323340 |
6 | 521155000150 |
7 | 66165226110 |
oct | 16410151002 |
9 | 5023068073 |
10 | 1948307970 |
11 | 90a850684 |
12 | 464599056 |
13 | 250848a6b |
14 | 146a80ab0 |
15 | b60a1680 |
hex | 7420d202 |
1948307970 has 64 divisors (see below), whose sum is σ = 5408363520. Its totient is φ = 439958208.
The previous prime is 1948307969. The next prime is 1948307993. The reversal of 1948307970 is 797038491.
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, 38460 + ... + 73319.
It is an arithmetic number, because the mean of its divisors is an integer number (84505680).
Almost surely, 21948307970 is an apocalyptic number.
1948307970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1948307970 is an abundant number, since it is smaller than the sum of its proper divisors (3460055550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1948307970 is a wasteful number, since it uses less digits than its factorization.
1948307970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111879.
The product of its (nonzero) digits is 381024, while the sum is 48.
The square root of 1948307970 is about 44139.6417067470. The cubic root of 1948307970 is about 1248.9715209501.
The spelling of 1948307970 in words is "one billion, nine hundred forty-eight million, three hundred seven thousand, nine hundred seventy".
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