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142299562 = 271149781
BaseRepresentation
bin10000111101101…
…01000110101010
3100220202120022011
420132311012222
5242412041222
622041550134
73345345346
oct1036650652
9326676264
10142299562
1173362849
123b7a534a
1323633c32
1414c82626
15c75cc77
hex87b51aa

142299562 has 4 divisors (see below), whose sum is σ = 213449346. Its totient is φ = 71149780.

The previous prime is 142299559. The next prime is 142299581. The reversal of 142299562 is 265992241.

142299562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 90041121 + 52258441 = 9489^2 + 7229^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35574889 + ... + 35574892.

Almost surely, 2142299562 is an apocalyptic number.

142299562 is a deficient number, since it is larger than the sum of its proper divisors (71149784).

142299562 is an equidigital number, since it uses as much as digits as its factorization.

142299562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71149783.

The product of its digits is 77760, while the sum is 40.

The square root of 142299562 is about 11928.9380080542. The cubic root of 142299562 is about 522.0769521957.

The spelling of 142299562 in words is "one hundred forty-two million, two hundred ninety-nine thousand, five hundred sixty-two".

Divisors: 1 2 71149781 142299562