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142342232 = 2317999401
BaseRepresentation
bin10000111101111…
…11100001011000
3100220211201211112
420132333201120
5242414422412
622042515452
73345613634
oct1036774130
9326751745
10142342232
117339190a
123b805b88
132364a496
1414c93dc4
15c76a722
hex87bf858

142342232 has 16 divisors (see below), whose sum is σ = 268385400. Its totient is φ = 70772800.

The previous prime is 142342171. The next prime is 142342253. The reversal of 142342232 is 232243241.

It is a super-2 number, since 2×1423422322 = 40522622021483648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142342198 and 142342207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48269 + ... + 51132.

Almost surely, 2142342232 is an apocalyptic number.

It is an amenable number.

142342232 is a deficient number, since it is larger than the sum of its proper divisors (126043168).

142342232 is a wasteful number, since it uses less digits than its factorization.

142342232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99586 (or 99582 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 142342232 is about 11930.7263819099. The cubic root of 142342232 is about 522.1291303775.

Adding to 142342232 its reverse (232243241), we get a palindrome (374585473).

The spelling of 142342232 in words is "one hundred forty-two million, three hundred forty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 179 358 716 1432 99401 198802 397604 795208 17792779 35585558 71171116 142342232