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142808524 = 2235702131
BaseRepresentation
bin10001000001100…
…01010111001100
3100221201102110121
420200301113030
5243024333044
622100514324
73352565245
oct1040612714
9327642417
10142808524
1173680181
123b9ab9a4
13237817b1
1414d75ccc
15c80d984
hex88315cc

142808524 has 6 divisors (see below), whose sum is σ = 249914924. Its totient is φ = 71404260.

The previous prime is 142808509. The next prime is 142808539. The reversal of 142808524 is 425808241.

It is an interprime number because it is at equal distance from previous prime (142808509) and next prime (142808539).

It is a self number, because there is not a number n which added to its sum of digits gives 142808524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17851062 + ... + 17851069.

Almost surely, 2142808524 is an apocalyptic number.

It is an amenable number.

142808524 is a deficient number, since it is larger than the sum of its proper divisors (107106400).

142808524 is a wasteful number, since it uses less digits than its factorization.

142808524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35702135 (or 35702133 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 142808524 is about 11950.2520475511. The cubic root of 142808524 is about 522.6986480919.

The spelling of 142808524 in words is "one hundred forty-two million, eight hundred eight thousand, five hundred twenty-four".

Divisors: 1 2 4 35702131 71404262 142808524