Search a number
-
+
143255022 = 231719193383
BaseRepresentation
bin10001000100111…
…10010111101110
3100222120002221120
420202132113232
5243133130042
622114241410
73356435061
oct1042362756
9328502846
10143255022
1173955689
123bb86266
13238a9ab1
14150508d8
15c89adec
hex889e5ee

143255022 has 64 divisors (see below), whose sum is σ = 321822720. Its totient is φ = 42246144.

The previous prime is 143255011. The next prime is 143255027. The reversal of 143255022 is 220552341.

It is a junction number, because it is equal to n+sod(n) for n = 143254983 and 143255001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143255027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373843 + ... + 374225.

It is an arithmetic number, because the mean of its divisors is an integer number (5028480).

Almost surely, 2143255022 is an apocalyptic number.

143255022 is an abundant number, since it is smaller than the sum of its proper divisors (178567698).

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

143255022 is a wasteful number, since it uses less digits than its factorization.

143255022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 143255022 is about 11968.9189988069. The cubic root of 143255022 is about 523.2428291796.

The spelling of 143255022 in words is "one hundred forty-three million, two hundred fifty-five thousand, twenty-two".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 193 323 383 386 579 646 766 969 1149 1158 1938 2298 3281 3667 6511 6562 7277 7334 9843 11001 13022 14554 19533 19686 21831 22002 39066 43662 62339 73919 123709 124678 147838 187017 221757 247418 371127 374034 443514 742254 1256623 1404461 2513246 2808922 3769869 4213383 7539738 8426766 23875837 47751674 71627511 143255022