Base | Representation |
---|---|
bin | 10100010100100… |
… | …110100010111111 |
3 | 212202112210201211 |
4 | 110110212202333 |
5 | 1144240220322 |
6 | 53455345251 |
7 | 11306662000 |
oct | 2424464277 |
9 | 782483654 |
10 | 340945087 |
11 | 1655000aa |
12 | 96222227 |
13 | 55835872 |
14 | 333d11a7 |
15 | 1edeab77 |
hex | 145268bf |
340945087 has 12 divisors (see below), whose sum is σ = 398002800. Its totient is φ = 291945528.
The previous prime is 340945079. The next prime is 340945109. The reversal of 340945087 is 780549043.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is not a de Polignac number, because 340945087 - 23 = 340945079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (340945067) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341473 + ... + 342469.
It is an arithmetic number, because the mean of its divisors is an integer number (33166900).
Almost surely, 2340945087 is an apocalyptic number.
340945087 is a deficient number, since it is larger than the sum of its proper divisors (57057713).
340945087 is an frugal number, since it uses more digits than its factorization.
340945087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2015 (or 1004 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 40.
The square root of 340945087 is about 18464.6983999198. The cubic root of 340945087 is about 698.5992990650.
The spelling of 340945087 in words is "three hundred forty million, nine hundred forty-five thousand, eighty-seven".
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