Base | Representation |
---|---|
bin | 10001011001010… |
… | …01110001111000 |
3 | 101011120122222200 |
4 | 20230221301320 |
5 | 244324020232 |
6 | 22251350200 |
7 | 3421220022 |
oct | 1054516170 |
9 | 334518880 |
10 | 145923192 |
11 | 75408288 |
12 | 40a52360 |
13 | 243023ac |
14 | 15547012 |
15 | cc2677c |
hex | 8b29c78 |
145923192 has 48 divisors (see below), whose sum is σ = 416013000. Its totient is φ = 46080576.
The previous prime is 145923181. The next prime is 145923241. The reversal of 145923192 is 291329541.
It is a Harshad number since it is a multiple of its sum of digits (36).
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 11 ways as a sum of consecutive naturals, for example, 51967 + ... + 54702.
Almost surely, 2145923192 is an apocalyptic number.
145923192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145923192 is an abundant number, since it is smaller than the sum of its proper divisors (270089808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145923192 is a wasteful number, since it uses less digits than its factorization.
145923192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106700 (or 106693 counting only the distinct ones).
The product of its digits is 19440, while the sum is 36.
The square root of 145923192 is about 12079.8672178133. The cubic root of 145923192 is about 526.4713880172.
The spelling of 145923192 in words is "one hundred forty-five million, nine hundred twenty-three thousand, one hundred ninety-two".
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