Base | Representation |
---|---|
bin | 10001010100000… |
… | …11011001011110 |
3 | 101010022001011000 |
4 | 20222003121132 |
5 | 244140213234 |
6 | 22225011130 |
7 | 3412351113 |
oct | 1052033136 |
9 | 333261130 |
10 | 145241694 |
11 | 74a92264 |
12 | 40783aa6 |
13 | 24124140 |
14 | 1540a90a |
15 | cb3e899 |
hex | 8a8365e |
145241694 has 32 divisors (see below), whose sum is σ = 347588640. Its totient is φ = 44689536.
The previous prime is 145241653. The next prime is 145241713. The reversal of 145241694 is 496142541.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 102747 + ... + 104150.
It is an arithmetic number, because the mean of its divisors is an integer number (10862145).
Almost surely, 2145241694 is an apocalyptic number.
145241694 is an abundant number, since it is smaller than the sum of its proper divisors (202346946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145241694 is a wasteful number, since it uses less digits than its factorization.
145241694 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206921 (or 206915 counting only the distinct ones).
The product of its digits is 34560, while the sum is 36.
The square root of 145241694 is about 12051.6261973229. The cubic root of 145241694 is about 525.6505242188.
The spelling of 145241694 in words is "one hundred forty-five million, two hundred forty-one thousand, six hundred ninety-four".
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