Base | Representation |
---|---|
bin | 10001010010101… |
… | …01011100101110 |
3 | 101002221110222100 |
4 | 20221111130232 |
5 | 244113202421 |
6 | 22220555530 |
7 | 3410635314 |
oct | 1051253456 |
9 | 332843870 |
10 | 145053486 |
11 | 74973916 |
12 | 406b2ba6 |
13 | 24089586 |
14 | 1539c0b4 |
15 | cb03c26 |
hex | 8a5572e |
145053486 has 96 divisors (see below), whose sum is σ = 356896800. Its totient is φ = 42301440.
The previous prime is 145053413. The next prime is 145053487. The reversal of 145053486 is 684350541.
It is a happy number.
145053486 is a `hidden beast` number, since 1 + 45 + 0 + 534 + 86 = 666.
145053486 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 145053486.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145053487) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354450 + ... + 354858.
It is an arithmetic number, because the mean of its divisors is an integer number (3717675).
Almost surely, 2145053486 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145053486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178448400).
145053486 is an abundant number, since it is smaller than the sum of its proper divisors (211843314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145053486 is a wasteful number, since it uses less digits than its factorization.
145053486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 514 (or 511 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The square root of 145053486 is about 12043.8152592939. The cubic root of 145053486 is about 525.4233754925.
The spelling of 145053486 in words is "one hundred forty-five million, fifty-three thousand, four hundred eighty-six".
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