Base | Representation |
---|---|
bin | 11001111010001… |
… | …001000110010100 |
3 | 1010021220121220201 |
4 | 121322021012110 |
5 | 1342234001040 |
6 | 111044310244 |
7 | 13525436236 |
oct | 3172110624 |
9 | 1107817821 |
10 | 434672020 |
11 | 2033a7582 |
12 | 1016a2384 |
13 | 6c090ca3 |
14 | 41a2c256 |
15 | 28261a9a |
hex | 19e89194 |
434672020 has 24 divisors (see below), whose sum is σ = 913485384. Its totient is φ = 173740416.
The previous prime is 434671969. The next prime is 434672023. The reversal of 434672020 is 20276434.
It can be written as a sum of positive squares in 4 ways, for example, as 50041476 + 384630544 = 7074^2 + 19612^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 434672020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (434672023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22582 + ... + 37138.
It is an arithmetic number, because the mean of its divisors is an integer number (38061891).
Almost surely, 2434672020 is an apocalyptic number.
It is an amenable number.
434672020 is an abundant number, since it is smaller than the sum of its proper divisors (478813364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
434672020 is a wasteful number, since it uses less digits than its factorization.
434672020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16059 (or 16057 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 28.
The square root of 434672020 is about 20848.7894132969. The cubic root of 434672020 is about 757.5080082079.
The spelling of 434672020 in words is "four hundred thirty-four million, six hundred seventy-two thousand, twenty".
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