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142524424 = 2372545079
BaseRepresentation
bin10000111111011…
…00000000001000
3100221011222202101
420133230000020
5242441240144
622050443144
73350303050
oct1037540010
9327158671
10142524424
11734a6789
123b8934b4
13236b23a3
1414d00560
15c7a46d4
hex87ec008

142524424 has 16 divisors (see below), whose sum is σ = 305409600. Its totient is φ = 61081872.

The previous prime is 142524401. The next prime is 142524439. The reversal of 142524424 is 424425241.

It is a super-2 number, since 2×1425244242 = 40626422873063552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 142524392 and 142524401.

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, 1272484 + ... + 1272595.

It is an arithmetic number, because the mean of its divisors is an integer number (19088100).

Almost surely, 2142524424 is an apocalyptic number.

142524424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142524424 is an abundant number, since it is smaller than the sum of its proper divisors (162885176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142524424 is a wasteful number, since it uses less digits than its factorization.

142524424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545092 (or 2545088 counting only the distinct ones).

The product of its digits is 10240, while the sum is 28.

The square root of 142524424 is about 11938.3593512677. The cubic root of 142524424 is about 522.3518030904.

Adding to 142524424 its reverse (424425241), we get a palindrome (566949665).

The spelling of 142524424 in words is "one hundred forty-two million, five hundred twenty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 2545079 5090158 10180316 17815553 20360632 35631106 71262212 142524424