Base | Representation |
---|---|
bin | 10001001010000… |
… | …10001000101100 |
3 | 101000211012002100 |
4 | 20211002020230 |
5 | 243321111204 |
6 | 22140455100 |
7 | 3365230521 |
oct | 1045021054 |
9 | 330735070 |
10 | 143925804 |
11 | 74273650 |
12 | 4024a490 |
13 | 23a831c9 |
14 | 15187148 |
15 | c97ea39 |
hex | 894222c |
143925804 has 72 divisors (see below), whose sum is σ = 402554880. Its totient is φ = 42991200.
The previous prime is 143925799. The next prime is 143925809. The reversal of 143925804 is 408529341.
It is an interprime number because it is at equal distance from previous prime (143925799) and next prime (143925809).
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143925809) 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, 25557 + ... + 30675.
It is an arithmetic number, because the mean of its divisors is an integer number (5591040).
Almost surely, 2143925804 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143925804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201277440).
143925804 is an abundant number, since it is smaller than the sum of its proper divisors (258629076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143925804 is a wasteful number, since it uses less digits than its factorization.
143925804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5211 (or 5206 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 143925804 is about 11996.9081016735. The cubic root of 143925804 is about 524.0582409091.
The spelling of 143925804 in words is "one hundred forty-three million, nine hundred twenty-five thousand, eight hundred four".
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