Base | Representation |
---|---|
bin | 1000001011001… |
… | …1100100110010 |
3 | 2101112002222220 |
4 | 2002303210302 |
5 | 32234234340 |
6 | 3222541510 |
7 | 564313521 |
oct | 202634462 |
9 | 71462886 |
10 | 34289970 |
11 | 183a0620 |
12 | b597896 |
13 | 7147830 |
14 | 47a84b8 |
15 | 3024ed0 |
hex | 20b3932 |
34289970 has 64 divisors (see below), whose sum is σ = 96695424. Its totient is φ = 7672320.
The previous prime is 34289953. The next prime is 34289971. The reversal of 34289970 is 7998243.
It is not an unprimeable number, because it can be changed into a prime (34289971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294 + ... + 8286.
It is an arithmetic number, because the mean of its divisors is an integer number (1510866).
Almost surely, 234289970 is an apocalyptic number.
34289970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 34289970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48347712).
34289970 is an abundant number, since it is smaller than the sum of its proper divisors (62405454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34289970 is a wasteful number, since it uses less digits than its factorization.
34289970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8027.
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 34289970 is about 5855.7638272048. The cubic root of 34289970 is about 324.8795451049.
The spelling of 34289970 in words is "thirty-four million, two hundred eighty-nine thousand, nine hundred seventy".
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