Base | Representation |
---|---|
bin | 110011111001011… |
… | …101101111011010 |
3 | 2020200101020122210 |
4 | 303321131233122 |
5 | 3240344431132 |
6 | 222222055550 |
7 | 30401562630 |
oct | 6371355732 |
9 | 2220336583 |
10 | 870702042 |
11 | 407541371 |
12 | 20371a5b6 |
13 | 10b509112 |
14 | 838d1350 |
15 | 51690bcc |
hex | 33e5dbda |
870702042 has 16 divisors (see below), whose sum is σ = 1990176192. Its totient is φ = 248772000.
The previous prime is 870702031. The next prime is 870702043. The reversal of 870702042 is 240207078.
It is not an unprimeable number, because it can be changed into a prime (870702043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10365459 + ... + 10365542.
It is an arithmetic number, because the mean of its divisors is an integer number (124386012).
Almost surely, 2870702042 is an apocalyptic number.
870702042 is an abundant number, since it is smaller than the sum of its proper divisors (1119474150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
870702042 is a wasteful number, since it uses less digits than its factorization.
870702042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20731013.
The product of its (nonzero) digits is 6272, while the sum is 30.
The square root of 870702042 is about 29507.6607341212. The cubic root of 870702042 is about 954.8969825740.
The spelling of 870702042 in words is "eight hundred seventy million, seven hundred two thousand, forty-two".
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