Base | Representation |
---|---|
bin | 1011010111000100110… |
… | …00001100100001000000 |
3 | 1101022112211002002201121 |
4 | 11223202120030201000 |
5 | 22343411313101201 |
6 | 455153321042024 |
7 | 40126054116154 |
oct | 5534230144100 |
9 | 1338484062647 |
10 | 390345050176 |
11 | 1405a9671724 |
12 | 63799926314 |
13 | 2aa6a293093 |
14 | 14c6dbbd064 |
15 | a248e979a1 |
hex | 5ae260c840 |
390345050176 has 63 divisors (see below), whose sum is σ = 802520029831. Its totient is φ = 188372463104.
The previous prime is 390345050171. The next prime is 390345050267. The reversal of 390345050176 is 671050543093.
The square root of 390345050176 is 624776.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 1687566400 + 388657483776 = 41080^2 + 623424^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (390345050171) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 144946686 + ... + 144949378.
Almost surely, 2390345050176 is an apocalyptic number.
390345050176 is the 624776-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 390345050176
390345050176 is an abundant number, since it is smaller than the sum of its proper divisors (412174979655).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390345050176 is an frugal number, since it uses more digits than its factorization.
390345050176 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5456 (or 2724 counting only the distinct ones).
The product of its (nonzero) digits is 340200, while the sum is 43.
The spelling of 390345050176 in words is "three hundred ninety billion, three hundred forty-five million, fifty thousand, one hundred seventy-six".
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