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142480493 = 211675263
BaseRepresentation
bin10000111111000…
…01010001101101
3100221002202111022
420133201101231
5242433333433
622045503525
73350031011
oct1037412155
9327082438
10142480493
1173476781
123b871ba5
13236983ac
1414ccc541
15c796698
hex87e146d

142480493 has 4 divisors (see below), whose sum is σ = 143155968. Its totient is φ = 141805020.

The previous prime is 142480489. The next prime is 142480501. The reversal of 142480493 is 394084241.

142480493 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142480493 - 22 = 142480489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142480463) 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, 337421 + ... + 337842.

It is an arithmetic number, because the mean of its divisors is an integer number (35788992).

Almost surely, 2142480493 is an apocalyptic number.

It is an amenable number.

142480493 is a deficient number, since it is larger than the sum of its proper divisors (675475).

142480493 is an equidigital number, since it uses as much as digits as its factorization.

142480493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675474.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 142480493 is about 11936.5193000305. The cubic root of 142480493 is about 522.2981285585.

The spelling of 142480493 in words is "one hundred forty-two million, four hundred eighty thousand, four hundred ninety-three".

Divisors: 1 211 675263 142480493