Base | Representation |
---|---|
bin | 110011111010010… |
… | …001000000011110 |
3 | 2020200202220201010 |
4 | 303322101000132 |
5 | 3240423141110 |
6 | 222230400050 |
7 | 30403426062 |
oct | 6372210036 |
9 | 2220686633 |
10 | 870912030 |
11 | 40767510a |
12 | 203800026 |
13 | 10b580881 |
14 | 83947aa2 |
15 | 516d3020 |
hex | 33e9101e |
870912030 has 16 divisors (see below), whose sum is σ = 2090188944. Its totient is φ = 232243200.
The previous prime is 870912017. The next prime is 870912041. The reversal of 870912030 is 30219078.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 29030401 = 870912030 / (8 + 7 + 0 + 9 + 1 + 2 + 0 + 3 + 0).
It is a congruent number.
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, 14515171 + ... + 14515230.
It is an arithmetic number, because the mean of its divisors is an integer number (130636809).
Almost surely, 2870912030 is an apocalyptic number.
870912030 is an abundant number, since it is smaller than the sum of its proper divisors (1219276914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
870912030 is a wasteful number, since it uses less digits than its factorization.
870912030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29030411.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 870912030 is about 29511.2187142449. The cubic root of 870912030 is about 954.9737408603.
The spelling of 870912030 in words is "eight hundred seventy million, nine hundred twelve thousand, thirty".
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