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143446030 = 2573133217
BaseRepresentation
bin10001000110011…
…01000000001110
3100222220210221221
420203031000032
5243210233110
622122313554
73361162000
oct1043150016
9328823857
10143446030
1173a76142
12400588ba
1323945a10
14150a0370
15c8d77da
hex88cd00e

143446030 has 64 divisors (see below), whose sum is σ = 324374400. Its totient is φ = 45384192.

The previous prime is 143446027. The next prime is 143446073. The reversal of 143446030 is 30644341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 143445986 and 143446004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42982 + ... + 46198.

It is an arithmetic number, because the mean of its divisors is an integer number (5068350).

Almost surely, 2143446030 is an apocalyptic number.

143446030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143446030 is an abundant number, since it is smaller than the sum of its proper divisors (180928370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143446030 is a wasteful number, since it uses less digits than its factorization.

143446030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258 (or 3244 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 143446030 is about 11976.8956745895. The cubic root of 143446030 is about 523.4752798542.

The spelling of 143446030 in words is "one hundred forty-three million, four hundred forty-six thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 49 65 70 91 98 130 182 245 343 455 490 637 686 910 1274 1715 3185 3217 3430 4459 6370 6434 8918 16085 22295 22519 32170 41821 44590 45038 83642 112595 157633 209105 225190 292747 315266 418210 585494 788165 1103431 1463735 1576330 2049229 2206862 2927470 4098458 5517155 10246145 11034310 14344603 20492290 28689206 71723015 143446030