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143420350 = 2522868407
BaseRepresentation
bin10001000110001…
…10101110111110
3100222212111201211
420203012232332
5243203422400
622121555034
73361024063
oct1043065676
9328774654
10143420350
1173a58917
1240045a7a
1323937118
1415094c6a
15c8cedba
hex88c6bbe

143420350 has 12 divisors (see below), whose sum is σ = 266761944. Its totient is φ = 57368120.

The previous prime is 143420323. The next prime is 143420357. The reversal of 143420350 is 53024341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143420357) 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, 1434154 + ... + 1434253.

It is an arithmetic number, because the mean of its divisors is an integer number (22230162).

Almost surely, 2143420350 is an apocalyptic number.

143420350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143420350 is a deficient number, since it is larger than the sum of its proper divisors (123341594).

143420350 is a wasteful number, since it uses less digits than its factorization.

143420350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868419 (or 2868414 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 143420350 is about 11975.8235624946. The cubic root of 143420350 is about 523.4440401203. Note that the first 3 decimals are identical.

Adding to 143420350 its reverse (53024341), we get a palindrome (196444691).

The spelling of 143420350 in words is "one hundred forty-three million, four hundred twenty thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 2868407 5736814 14342035 28684070 71710175 143420350