Base | Representation |
---|---|
bin | 10001010110101… |
… | …10010101110110 |
3 | 101010221022011211 |
4 | 20223112111312 |
5 | 244232101210 |
6 | 22240152034 |
7 | 3415264441 |
oct | 1053262566 |
9 | 333838154 |
10 | 145581430 |
11 | 751a4535 |
12 | 4090861a |
13 | 24212977 |
14 | 15498658 |
15 | cbaa38a |
hex | 8ad6576 |
145581430 has 8 divisors (see below), whose sum is σ = 262046592. Its totient is φ = 58232568.
The previous prime is 145581427. The next prime is 145581431. The reversal of 145581430 is 34185541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 145581392 and 145581401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145581431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7279062 + ... + 7279081.
It is an arithmetic number, because the mean of its divisors is an integer number (32755824).
Almost surely, 2145581430 is an apocalyptic number.
145581430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145581430 is a deficient number, since it is larger than the sum of its proper divisors (116465162).
145581430 is a wasteful number, since it uses less digits than its factorization.
145581430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14558150.
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 145581430 is about 12065.7129917796. The cubic root of 145581430 is about 526.0600561768.
The spelling of 145581430 in words is "one hundred forty-five million, five hundred eighty-one thousand, four hundred thirty".
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