Base | Representation |
---|---|
bin | 10110101100100… |
… | …010000101100001 |
3 | 222112111020221210 |
4 | 112230202011201 |
5 | 1234434211310 |
6 | 101441140333 |
7 | 12302341335 |
oct | 2654420541 |
9 | 875436853 |
10 | 380772705 |
11 | 185a33195 |
12 | a762a6a9 |
13 | 60b6bac1 |
14 | 387db7c5 |
15 | 23666820 |
hex | 16b22161 |
380772705 has 32 divisors (see below), whose sum is σ = 642919680. Its totient is φ = 192051200.
The previous prime is 380772701. The next prime is 380772713. The reversal of 380772705 is 507277083.
It is not a de Polignac number, because 380772705 - 22 = 380772701 is a prime.
It is not an unprimeable number, because it can be changed into a prime (380772701) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24505 + ... + 36905.
It is an arithmetic number, because the mean of its divisors is an integer number (20091240).
Almost surely, 2380772705 is an apocalyptic number.
It is an amenable number.
380772705 is a deficient number, since it is larger than the sum of its proper divisors (262146975).
380772705 is a wasteful number, since it uses less digits than its factorization.
380772705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12521.
The product of its (nonzero) digits is 82320, while the sum is 39.
The square root of 380772705 is about 19513.3980895179. The cubic root of 380772705 is about 724.8062613520.
The spelling of 380772705 in words is "three hundred eighty million, seven hundred seventy-two thousand, seven hundred five".
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