Base | Representation |
---|---|
bin | 10001001000100… |
… | …01001101000100 |
3 | 101000110000011020 |
4 | 20210101031010 |
5 | 243243203010 |
6 | 22132311140 |
7 | 3363434301 |
oct | 1044211504 |
9 | 330400136 |
10 | 143725380 |
11 | 74147007 |
12 | 401724b0 |
13 | 23a12c06 |
14 | 151340a8 |
15 | c940470 |
hex | 8911344 |
143725380 has 48 divisors (see below), whose sum is σ = 403462080. Its totient is φ = 38228608.
The previous prime is 143725343. The next prime is 143725381. The reversal of 143725380 is 83527341.
It is a super-2 number, since 2×1437253802 = 41313969712288800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (143725381) 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, 22282 + ... + 27998.
It is an arithmetic number, because the mean of its divisors is an integer number (8405460).
Almost surely, 2143725380 is an apocalyptic number.
143725380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143725380 is an abundant number, since it is smaller than the sum of its proper divisors (259736700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143725380 is a wasteful number, since it uses less digits than its factorization.
143725380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6148 (or 6146 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 143725380 is about 11988.5520393415. The cubic root of 143725380 is about 523.8148686559.
The spelling of 143725380 in words is "one hundred forty-three million, seven hundred twenty-five thousand, three hundred eighty".
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