Base | Representation |
---|---|
bin | 10001010101101… |
… | …01010010110110 |
3 | 101010200102111111 |
4 | 20222311102312 |
5 | 244213233240 |
6 | 22233225234 |
7 | 3414162010 |
oct | 1052652266 |
9 | 333612444 |
10 | 145446070 |
11 | 75111870 |
12 | 4086221a |
13 | 24196183 |
14 | 154611b0 |
15 | cb801ea |
hex | 8ab54b6 |
145446070 has 32 divisors (see below), whose sum is σ = 326405376. Its totient is φ = 45333600.
The previous prime is 145446061. The next prime is 145446113. The reversal of 145446070 is 70644541.
145446070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93676 + ... + 95215.
It is an arithmetic number, because the mean of its divisors is an integer number (10200168).
Almost surely, 2145446070 is an apocalyptic number.
145446070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145446070 is an abundant number, since it is smaller than the sum of its proper divisors (180959306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145446070 is a wasteful number, since it uses less digits than its factorization.
145446070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188916.
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 145446070 is about 12060.1024042087. The cubic root of 145446070 is about 525.8969640161.
It can be divided in two parts, 1454 and 46070, that added together give a square (47524 = 2182).
The spelling of 145446070 in words is "one hundred forty-five million, four hundred forty-six thousand, seventy".
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