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143744302 = 2132425279
BaseRepresentation
bin10001001000101…
…01110100101110
3101000110222010001
420210111310232
5243244304202
622132534514
73363543412
oct1044256456
9330428101
10143744302
117415a249
124018143a
1323a1b700
141513ad42
15c945d87
hex8915d2e

143744302 has 12 divisors (see below), whose sum is σ = 233478720. Its totient is φ = 66343368.

The previous prime is 143744281. The next prime is 143744327. The reversal of 143744302 is 203447341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212302 + ... + 212977.

It is an arithmetic number, because the mean of its divisors is an integer number (19456560).

Almost surely, 2143744302 is an apocalyptic number.

143744302 is a deficient number, since it is larger than the sum of its proper divisors (89734418).

143744302 is a wasteful number, since it uses less digits than its factorization.

143744302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425307 (or 425294 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 143744302 is about 11989.3411829008. The cubic root of 143744302 is about 523.8378550624.

The spelling of 143744302 in words is "one hundred forty-three million, seven hundred forty-four thousand, three hundred two".

Divisors: 1 2 13 26 169 338 425279 850558 5528627 11057254 71872151 143744302