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146142727 = 178596631
BaseRepresentation
bin10001011010111…
…11011000000111
3101011222211010121
420231133120013
5244403031402
622300202411
73423123043
oct1055373007
9334884117
10146142727
1175548215
1240b39407
132437b2b3
14155a3023
15cc6b837
hex8b5f607

146142727 has 4 divisors (see below), whose sum is σ = 154739376. Its totient is φ = 137546080.

The previous prime is 146142721. The next prime is 146142739. The reversal of 146142727 is 727241641.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 146142727 - 23 = 146142719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146142692 and 146142701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146142721) 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, 4298299 + ... + 4298332.

It is an arithmetic number, because the mean of its divisors is an integer number (38684844).

Almost surely, 2146142727 is an apocalyptic number.

146142727 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

146142727 is a deficient number, since it is larger than the sum of its proper divisors (8596649).

146142727 is an equidigital number, since it uses as much as digits as its factorization.

146142727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8596648.

The product of its digits is 18816, while the sum is 34.

The square root of 146142727 is about 12088.9506161619. The cubic root of 146142727 is about 526.7352733801.

The spelling of 146142727 in words is "one hundred forty-six million, one hundred forty-two thousand, seven hundred twenty-seven".

Divisors: 1 17 8596631 146142727