Base | Representation |
---|---|
bin | 10001011001000… |
… | …00110101000100 |
3 | 101011111210200220 |
4 | 20230200311010 |
5 | 244321332112 |
6 | 22250504340 |
7 | 3421005111 |
oct | 1054406504 |
9 | 334453626 |
10 | 145886532 |
11 | 75392790 |
12 | 40a350b0 |
13 | 242bb7bc |
14 | 15537908 |
15 | cc1a98c |
hex | 8b20d44 |
145886532 has 24 divisors (see below), whose sum is σ = 371347872. Its totient is φ = 44208000.
The previous prime is 145886519. The next prime is 145886549. The reversal of 145886532 is 235688541.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552469 + ... + 552732.
It is an arithmetic number, because the mean of its divisors is an integer number (15472828).
Almost surely, 2145886532 is an apocalyptic number.
145886532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145886532 is an abundant number, since it is smaller than the sum of its proper divisors (225461340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145886532 is a wasteful number, since it uses less digits than its factorization.
145886532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1105219 (or 1105217 counting only the distinct ones).
The product of its digits is 230400, while the sum is 42.
The square root of 145886532 is about 12078.3497217128. The cubic root of 145886532 is about 526.4272961967.
It can be divided in two parts, 1458 and 86532, that added together give a triangular number (87990 = T419).
The spelling of 145886532 in words is "one hundred forty-five million, eight hundred eighty-six thousand, five hundred thirty-two".
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