Base | Representation |
---|---|
bin | 10001000100010… |
… | …00101111010100 |
3 | 100222101121102000 |
4 | 20202020233110 |
5 | 243122311140 |
6 | 22112315300 |
7 | 3355615545 |
oct | 1042105724 |
9 | 328347360 |
10 | 143166420 |
11 | 738a5061 |
12 | 3bb42b30 |
13 | 23878677 |
14 | 1502a4cc |
15 | c87ea30 |
hex | 8888bd4 |
143166420 has 48 divisors (see below), whose sum is σ = 445408320. Its totient is φ = 38177568.
The previous prime is 143166347. The next prime is 143166427. The reversal of 143166420 is 24661341.
143166420 is a `hidden beast` number, since 1 + 4 + 3 + 16 + 642 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143166427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132022 + ... + 133101.
It is an arithmetic number, because the mean of its divisors is an integer number (9279340).
Almost surely, 2143166420 is an apocalyptic number.
143166420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143166420 is an abundant number, since it is smaller than the sum of its proper divisors (302241900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143166420 is a wasteful number, since it uses less digits than its factorization.
143166420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265141 (or 265133 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 143166420 is about 11965.2170895475. The cubic root of 143166420 is about 523.1349332012.
It can be divided in two parts, 14316 and 6420, that added together give a 4-th power (20736 = 124).
The spelling of 143166420 in words is "one hundred forty-three million, one hundred sixty-six thousand, four hundred twenty".
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