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142286072 = 23413731163
BaseRepresentation
bin10000111101100…
…01110011111000
3100220201212210112
420132301303320
5242411123242
622041403452
73345261125
oct1036616370
9326655715
10142286072
11733536a5
123b799588
132362aa56
1414c7b74c
15c758c82
hex87b1cf8

142286072 has 32 divisors (see below), whose sum is σ = 274261680. Its totient is φ = 69162240.

The previous prime is 142286071. The next prime is 142286077. The reversal of 142286072 is 270682241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142286071) 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, 121763 + ... + 122925.

Almost surely, 2142286072 is an apocalyptic number.

It is an amenable number.

142286072 is a deficient number, since it is larger than the sum of its proper divisors (131975608).

142286072 is a wasteful number, since it uses less digits than its factorization.

142286072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 142286072 is about 11928.3725629274. The cubic root of 142286072 is about 522.0604540408.

The spelling of 142286072 in words is "one hundred forty-two million, two hundred eighty-six thousand, seventy-two".

Divisors: 1 2 4 8 41 82 164 328 373 746 1163 1492 2326 2984 4652 9304 15293 30586 47683 61172 95366 122344 190732 381464 433799 867598 1735196 3470392 17785759 35571518 71143036 142286072