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146242429 = 499293071
BaseRepresentation
bin10001011011101…
…11101101111101
3101012011212220021
420231313231331
5244414224204
622302252141
73424016524
oct1055675575
9335155807
10146242429
1175606113
1240b87051
13243b47a8
14155cb4bb
15cc8b154
hex8b77b7d

146242429 has 4 divisors (see below), whose sum is σ = 146536000. Its totient is φ = 145948860.

The previous prime is 146242399. The next prime is 146242471. The reversal of 146242429 is 924242641.

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 146242429 - 27 = 146242301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146242394 and 146242403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146242489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146037 + ... + 147034.

It is an arithmetic number, because the mean of its divisors is an integer number (36634000).

Almost surely, 2146242429 is an apocalyptic number.

It is an amenable number.

146242429 is a deficient number, since it is larger than the sum of its proper divisors (293571).

146242429 is an equidigital number, since it uses as much as digits as its factorization.

146242429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293570.

The product of its digits is 27648, while the sum is 34.

The square root of 146242429 is about 12093.0735960714. The cubic root of 146242429 is about 526.8550298747.

The spelling of 146242429 in words is "one hundred forty-six million, two hundred forty-two thousand, four hundred twenty-nine".

Divisors: 1 499 293071 146242429