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143214402 = 2331376259
BaseRepresentation
bin10001000100101…
…00011101000010
3100222111001020010
420202110131002
5243130330102
622113325350
73356205462
oct1042243502
9328431203
10143214402
1173928111
123bb66856
1323894466
141503dba2
15c88dd6c
hex8894742

143214402 has 16 divisors (see below), whose sum is σ = 287347680. Its totient is φ = 47584992.

The previous prime is 143214377. The next prime is 143214403. The reversal of 143214402 is 204412341.

It is not an unprimeable number, because it can be changed into a prime (143214403) 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, 36252 + ... + 40007.

It is an arithmetic number, because the mean of its divisors is an integer number (17959230).

Almost surely, 2143214402 is an apocalyptic number.

143214402 is an abundant number, since it is smaller than the sum of its proper divisors (144133278).

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

143214402 is a wasteful number, since it uses less digits than its factorization.

143214402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76577.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 143214402 is about 11967.2219834012. The cubic root of 143214402 is about 523.1933692896.

Adding to 143214402 its reverse (204412341), we get a palindrome (347626743).

The spelling of 143214402 in words is "one hundred forty-three million, two hundred fourteen thousand, four hundred two".

Divisors: 1 2 3 6 313 626 939 1878 76259 152518 228777 457554 23869067 47738134 71607201 143214402