Base | Representation |
---|---|
bin | 100110100101100… |
… | …0101000011101010 |
3 | 10100020022010000010 |
4 | 1031023011003222 |
5 | 10122423444210 |
6 | 332250552350 |
7 | 44041123065 |
oct | 11513050352 |
9 | 3306263003 |
10 | 1294749930 |
11 | 604941871 |
12 | 3017386b6 |
13 | 17831a426 |
14 | c3d558dc |
15 | 78a04920 |
hex | 4d2c50ea |
1294749930 has 16 divisors (see below), whose sum is σ = 3107399904. Its totient is φ = 345266640.
The previous prime is 1294749901. The next prime is 1294749961. The reversal of 1294749930 is 399474921.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1294749930.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21579136 + ... + 21579195.
It is an arithmetic number, because the mean of its divisors is an integer number (194212494).
Almost surely, 21294749930 is an apocalyptic number.
1294749930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1294749930 is an abundant number, since it is smaller than the sum of its proper divisors (1812649974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1294749930 is a wasteful number, since it uses less digits than its factorization.
1294749930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43158341.
The product of its (nonzero) digits is 489888, while the sum is 48.
The square root of 1294749930 is about 35982.6337279527. The cubic root of 1294749930 is about 1089.9216984967.
The spelling of 1294749930 in words is "one billion, two hundred ninety-four million, seven hundred forty-nine thousand, nine hundred thirty".
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