Base | Representation |
---|---|
bin | 10001011001000… |
… | …10010000010010 |
3 | 101011112002201010 |
4 | 20230202100102 |
5 | 244322023440 |
6 | 22250551350 |
7 | 3421031121 |
oct | 1054422022 |
9 | 334462633 |
10 | 145892370 |
11 | 75397108 |
12 | 40a38556 |
13 | 242c1360 |
14 | 15539ab8 |
15 | cc1c580 |
hex | 8b22412 |
145892370 has 32 divisors (see below), whose sum is σ = 377076672. Its totient is φ = 35911872.
The previous prime is 145892347. The next prime is 145892377. The reversal of 145892370 is 73298541.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (145892377) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186652 + ... + 187431.
It is an arithmetic number, because the mean of its divisors is an integer number (11783646).
Almost surely, 2145892370 is an apocalyptic number.
145892370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145892370 is an abundant number, since it is smaller than the sum of its proper divisors (231184302).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145892370 is a wasteful number, since it uses less digits than its factorization.
145892370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 374106.
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 145892370 is about 12078.5913913834. The cubic root of 145892370 is about 526.4343181872.
The spelling of 145892370 in words is "one hundred forty-five million, eight hundred ninety-two thousand, three hundred seventy".
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