Search a number
-
+
143240630 = 25131101851
BaseRepresentation
bin10001000100110…
…10110110110110
3100222112101012112
420202122312312
5243132200010
622114051022
73356345111
oct1042326666
9328471175
10143240630
1173945895
123bb79a72
13238a3390
1415049578
15c896a05
hex889adb6

143240630 has 16 divisors (see below), whose sum is σ = 277666704. Its totient is φ = 52888800.

The previous prime is 143240621. The next prime is 143240659. The reversal of 143240630 is 36042341.

It is a happy number.

143240630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143240596 and 143240605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550796 + ... + 551055.

It is an arithmetic number, because the mean of its divisors is an integer number (17354169).

Almost surely, 2143240630 is an apocalyptic number.

143240630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143240630 is a deficient number, since it is larger than the sum of its proper divisors (134426074).

143240630 is a wasteful number, since it uses less digits than its factorization.

143240630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101871.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 143240630 is about 11968.3177598190. The cubic root of 143240630 is about 523.2253062035.

Adding to 143240630 its reverse (36042341), we get a palindrome (179282971).

The spelling of 143240630 in words is "one hundred forty-three million, two hundred forty thousand, six hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 1101851 2203702 5509255 11018510 14324063 28648126 71620315 143240630