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242143254 = 23213452403
BaseRepresentation
bin11100110111011…
…01000000010110
3121212122011002200
432123231000112
5443442041004
640005545330
76000120003
oct1633550026
9555564080
10242143254
111147578a1
1269115246
133b221542
14242328aa
15163d1239
hexe6ed016

242143254 has 12 divisors (see below), whose sum is σ = 524643756. Its totient is φ = 80714412.

The previous prime is 242143219. The next prime is 242143259. The reversal of 242143254 is 452341242.

242143254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242143259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6726184 + ... + 6726219.

It is an arithmetic number, because the mean of its divisors is an integer number (43720313).

Almost surely, 2242143254 is an apocalyptic number.

242143254 is an abundant number, since it is smaller than the sum of its proper divisors (282500502).

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

242143254 is a wasteful number, since it uses less digits than its factorization.

242143254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13452411 (or 13452408 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 242143254 is about 15560.9528628552. The cubic root of 242143254 is about 623.2909074108.

Adding to 242143254 its reverse (452341242), we get a palindrome (694484496).

The spelling of 242143254 in words is "two hundred forty-two million, one hundred forty-three thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 18 13452403 26904806 40357209 80714418 121071627 242143254