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142333033 = 809175937
BaseRepresentation
bin10000111101111…
…01010001101001
3100220211021012211
420132331101221
5242414124113
622042405121
73345545053
oct1036752151
9326737184
10142333033
1173385a07
123b8007a1
132364623b
1414c908d3
15c767b3d
hex87bd469

142333033 has 4 divisors (see below), whose sum is σ = 142509780. Its totient is φ = 142156288.

The previous prime is 142333031. The next prime is 142333049. The reversal of 142333033 is 330333241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49942489 + 92390544 = 7067^2 + 9612^2 .

It is a cyclic number.

It is not a de Polignac number, because 142333033 - 21 = 142333031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142332995 and 142333013.

It is not an unprimeable number, because it can be changed into a prime (142333031) 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, 87160 + ... + 88777.

It is an arithmetic number, because the mean of its divisors is an integer number (35627445).

Almost surely, 2142333033 is an apocalyptic number.

It is an amenable number.

142333033 is a deficient number, since it is larger than the sum of its proper divisors (176747).

142333033 is an equidigital number, since it uses as much as digits as its factorization.

142333033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176746.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 142333033 is about 11930.3408585002. The cubic root of 142333033 is about 522.1178824406.

Adding to 142333033 its reverse (330333241), we get a palindrome (472666274).

The spelling of 142333033 in words is "one hundred forty-two million, three hundred thirty-three thousand, thirty-three".

Divisors: 1 809 175937 142333033