Base | Representation |
---|---|
bin | 10001010101000… |
… | …00001111000010 |
3 | 101010112001011200 |
4 | 20222200033002 |
5 | 244203003220 |
6 | 22231322030 |
7 | 3413352351 |
oct | 1052401702 |
9 | 333461150 |
10 | 145359810 |
11 | 75062a82 |
12 | 40820316 |
13 | 24165b2b |
14 | 1543b998 |
15 | cb64890 |
hex | 8aa03c2 |
145359810 has 48 divisors (see below), whose sum is σ = 381306744. Its totient is φ = 38416896.
The previous prime is 145359787. The next prime is 145359817. The reversal of 145359810 is 18953541.
145359810 is a `hidden beast` number, since 1 + 4 + 53 + 598 + 10 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 23941449 + 121418361 = 4893^2 + 11019^2 .
It is a super-2 number, since 2×1453598102 = 42258948726472200, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (145359817) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3024 + ... + 17316.
Almost surely, 2145359810 is an apocalyptic number.
145359810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 145359810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190653372).
145359810 is an abundant number, since it is smaller than the sum of its proper divisors (235946934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145359810 is a wasteful number, since it uses less digits than its factorization.
145359810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14419 (or 14416 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 36.
The square root of 145359810 is about 12056.5256189335. The cubic root of 145359810 is about 525.7929785250.
The spelling of 145359810 in words is "one hundred forty-five million, three hundred fifty-nine thousand, eight hundred ten".
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