Search a number
-
+
143030112 = 2531787641
BaseRepresentation
bin10001000011001…
…11011101100000
3100222010200102120
420201213131200
5243103430422
622105344240
73354510261
oct1041473540
9328120376
10143030112
1173811705
123ba98080
132382b604
1414dd2968
15c85445c
hex8867760

143030112 has 48 divisors (see below), whose sum is σ = 397544112. Its totient is φ = 44871680.

The previous prime is 143030057. The next prime is 143030113. The reversal of 143030112 is 211030341.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1430301122 = 40915225877465088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143030091 and 143030100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143030113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42189 + ... + 45452.

It is an arithmetic number, because the mean of its divisors is an integer number (8282169).

Almost surely, 2143030112 is an apocalyptic number.

143030112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143030112 is an abundant number, since it is smaller than the sum of its proper divisors (254514000).

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

143030112 is a wasteful number, since it uses less digits than its factorization.

143030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87671 (or 87663 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 143030112 is about 11959.5197227982. The cubic root of 143030112 is about 522.9688558046.

Adding to 143030112 its reverse (211030341), we get a palindrome (354060453).

The spelling of 143030112 in words is "one hundred forty-three million, thirty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1632 87641 175282 262923 350564 525846 701128 1051692 1402256 1489897 2103384 2804512 2979794 4206768 4469691 5959588 8413536 8939382 11919176 17878764 23838352 35757528 47676704 71515056 143030112