Base | Representation |
---|---|
bin | 10001010110000… |
… | …10001101110000 |
3 | 101010210010002120 |
4 | 20223002031300 |
5 | 244221431432 |
6 | 22234314240 |
7 | 3414502212 |
oct | 1053021560 |
9 | 333703076 |
10 | 145498992 |
11 | 75148601 |
12 | 40888980 |
13 | 241b42a2 |
14 | 154765b2 |
15 | cb90c2c |
hex | 8ac2370 |
145498992 has 40 divisors (see below), whose sum is σ = 382971024. Its totient is φ = 47583744.
The previous prime is 145498967. The next prime is 145499021. The reversal of 145498992 is 299894541.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26053 + ... + 31140.
Almost surely, 2145498992 is an apocalyptic number.
145498992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145498992 is an abundant number, since it is smaller than the sum of its proper divisors (237472032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145498992 is a wasteful number, since it uses less digits than its factorization.
145498992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57257 (or 57251 counting only the distinct ones).
The product of its digits is 933120, while the sum is 51.
The square root of 145498992 is about 12062.2962987982. The cubic root of 145498992 is about 525.9607405628.
The spelling of 145498992 in words is "one hundred forty-five million, four hundred ninety-eight thousand, nine hundred ninety-two".
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