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142903344 = 2432977153
BaseRepresentation
bin10001000010010…
…00100000110000
3100221220020112110
420201020200300
5243040401334
622102525320
73353441553
oct1041104060
9327806473
10142903344
1173735441
123ba36840
13237b59bc
1414d9c69a
15c82bae9
hex8848830

142903344 has 20 divisors (see below), whose sum is σ = 369167096. Its totient is φ = 47634432.

The previous prime is 142903289. The next prime is 142903349. The reversal of 142903344 is 443309241.

142903344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142903349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488529 + ... + 1488624.

Almost surely, 2142903344 is an apocalyptic number.

It is an amenable number.

142903344 is an abundant number, since it is smaller than the sum of its proper divisors (226263752).

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

142903344 is a wasteful number, since it uses less digits than its factorization.

142903344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977164 (or 2977158 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 142903344 is about 11954.2186695744. The cubic root of 142903344 is about 522.8143072026.

The spelling of 142903344 in words is "one hundred forty-two million, nine hundred three thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 2977153 5954306 8931459 11908612 17862918 23817224 35725836 47634448 71451672 142903344