Base | Representation |
---|---|
bin | 10001010110111… |
… | …10111000101110 |
3 | 101011000002012010 |
4 | 20223132320232 |
5 | 244234211210 |
6 | 22241022050 |
7 | 3415501461 |
oct | 1053367056 |
9 | 334002163 |
10 | 145616430 |
11 | 75218863 |
12 | 40924926 |
13 | 2422588b |
14 | 154a72d8 |
15 | cbb5920 |
hex | 8adee2e |
145616430 has 32 divisors (see below), whose sum is σ = 350788608. Its totient is φ = 38685600.
The previous prime is 145616417. The next prime is 145616431. The reversal of 145616430 is 34616541.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145616431) 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, 826 + ... + 17085.
It is an arithmetic number, because the mean of its divisors is an integer number (10962144).
Almost surely, 2145616430 is an apocalyptic number.
145616430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145616430 is an abundant number, since it is smaller than the sum of its proper divisors (205172178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145616430 is a wasteful number, since it uses less digits than its factorization.
145616430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18192.
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 145616430 is about 12067.1632954891. The cubic root of 145616430 is about 526.1022104238.
The spelling of 145616430 in words is "one hundred forty-five million, six hundred sixteen thousand, four hundred thirty".
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