Base | Representation |
---|---|
bin | 100100101011100… |
… | …1001111011010010 |
3 | 10011202222110102202 |
4 | 1021113021323102 |
5 | 10010041303423 |
6 | 322044243202 |
7 | 42333453560 |
oct | 11127117322 |
9 | 3152873382 |
10 | 1230806738 |
11 | 581838357 |
12 | 2a4240502 |
13 | 167cbc715 |
14 | b966ca30 |
15 | 730c3728 |
hex | 495c9ed2 |
1230806738 has 32 divisors (see below), whose sum is σ = 2235786240. Its totient is φ = 496400400.
The previous prime is 1230806737. The next prime is 1230806743. The reversal of 1230806738 is 8376080321.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is not an unprimeable number, because it can be changed into a prime (1230806737) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24845 + ... + 55487.
It is an arithmetic number, because the mean of its divisors is an integer number (69868320).
Almost surely, 21230806738 is an apocalyptic number.
1230806738 is a deficient number, since it is larger than the sum of its proper divisors (1004979502).
1230806738 is a wasteful number, since it uses less digits than its factorization.
1230806738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30822.
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 1230806738 is about 35082.8553284934. The cubic root of 1230806738 is about 1071.6754657557.
The spelling of 1230806738 in words is "one billion, two hundred thirty million, eight hundred six thousand, seven hundred thirty-eight".
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