Base | Representation |
---|---|
bin | 10001011000100… |
… | …00010000110000 |
3 | 101011101100121120 |
4 | 20230100100300 |
5 | 244312144142 |
6 | 22245222240 |
7 | 3420303216 |
oct | 1054202060 |
9 | 334340546 |
10 | 145818672 |
11 | 753467aa |
12 | 40a01980 |
13 | 2429694c |
14 | 1551acb6 |
15 | cc057ec |
hex | 8b10430 |
145818672 has 20 divisors (see below), whose sum is σ = 376698360. Its totient is φ = 48606208.
The previous prime is 145818661. The next prime is 145818683. The reversal of 145818672 is 276818541.
It is an interprime number because it is at equal distance from previous prime (145818661) and next prime (145818683).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518897 + ... + 1518992.
It is an arithmetic number, because the mean of its divisors is an integer number (18834918).
Almost surely, 2145818672 is an apocalyptic number.
145818672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145818672 is an abundant number, since it is smaller than the sum of its proper divisors (230879688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145818672 is a wasteful number, since it uses less digits than its factorization.
145818672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3037900 (or 3037894 counting only the distinct ones).
The product of its digits is 107520, while the sum is 42.
The square root of 145818672 is about 12075.5402363621. The cubic root of 145818672 is about 526.3456599272.
The spelling of 145818672 in words is "one hundred forty-five million, eight hundred eighteen thousand, six hundred seventy-two".
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