Base | Representation |
---|---|
bin | 10001000101110… |
… | …10100110010000 |
3 | 100222202222112201 |
4 | 20202322212100 |
5 | 243200330030 |
6 | 22120532544 |
7 | 3360426130 |
oct | 1042724620 |
9 | 328688481 |
10 | 143370640 |
11 | 73a24536 |
12 | 40021154 |
13 | 2391a5ca |
14 | 15080ac0 |
15 | c8c02ca |
hex | 88ba990 |
143370640 has 40 divisors (see below), whose sum is σ = 380957760. Its totient is φ = 49155456.
The previous prime is 143370607. The next prime is 143370697. The reversal of 143370640 is 46073341.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 143370599 and 143370608.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 127450 + ... + 128569.
It is an arithmetic number, because the mean of its divisors is an integer number (9523944).
Almost surely, 2143370640 is an apocalyptic number.
143370640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143370640 is an abundant number, since it is smaller than the sum of its proper divisors (237587120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143370640 is a wasteful number, since it uses less digits than its factorization.
143370640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256039 (or 256033 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 28.
The square root of 143370640 is about 11973.7479512473. The cubic root of 143370640 is about 523.3835572807.
It can be divided in two parts, 1 and 43370640, that added together give a triangular number (43370641 = T9313).
The spelling of 143370640 in words is "one hundred forty-three million, three hundred seventy thousand, six hundred forty".
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