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142290663 = 3175575009
BaseRepresentation
bin10000111101100…
…10111011100111
3100220202010002120
420132302323213
5242411300123
622041441023
73345310404
oct1036627347
9326663076
10142290663
1173357099
123b7a0173
132362cb78
1414c7d2ab
15c75a2e3
hex87b2ee7

142290663 has 16 divisors (see below), whose sum is σ = 201281760. Its totient is φ = 89102336.

The previous prime is 142290649. The next prime is 142290721. The reversal of 142290663 is 366092241.

It is a cyclic number.

It is not a de Polignac number, because 142290663 - 29 = 142290151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142290163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25903 + ... + 30911.

It is an arithmetic number, because the mean of its divisors is an integer number (12580110).

Almost surely, 2142290663 is an apocalyptic number.

142290663 is a deficient number, since it is larger than the sum of its proper divisors (58991097).

142290663 is a wasteful number, since it uses less digits than its factorization.

142290663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 142290663 is about 11928.5650017091. The cubic root of 142290663 is about 522.0660689116.

The spelling of 142290663 in words is "one hundred forty-two million, two hundred ninety thousand, six hundred sixty-three".

Divisors: 1 3 17 51 557 1671 5009 9469 15027 28407 85153 255459 2790013 8370039 47430221 142290663