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142031716 = 22231543823
BaseRepresentation
bin10000111011100…
…11101101100100
3100220020221212221
420131303231210
5242330003331
622032122124
73343151431
oct1035635544
9326227787
10142031716
117319a592
123b696344
132356c048
1414c12b88
15c708711
hex8773b64

142031716 has 12 divisors (see below), whose sum is σ = 259362432. Its totient is φ = 67928168.

The previous prime is 142031711. The next prime is 142031723. The reversal of 142031716 is 617130241.

It is not an unprimeable number, because it can be changed into a prime (142031711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771820 + ... + 772003.

It is an arithmetic number, because the mean of its divisors is an integer number (21613536).

Almost surely, 2142031716 is an apocalyptic number.

It is an amenable number.

142031716 is a deficient number, since it is larger than the sum of its proper divisors (117330716).

142031716 is a wasteful number, since it uses less digits than its factorization.

142031716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543850 (or 1543848 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 142031716 is about 11917.7059873115. The cubic root of 142031716 is about 521.7491834387.

Adding to 142031716 its reverse (617130241), we get a palindrome (759161957).

The spelling of 142031716 in words is "one hundred forty-two million, thirty-one thousand, seven hundred sixteen".

Divisors: 1 2 4 23 46 92 1543823 3087646 6175292 35507929 71015858 142031716