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142532301 = 3173837297
BaseRepresentation
bin10000111111011…
…01111011001101
3100221012101120010
420133231323031
5242442013201
622050543433
73350335032
oct1037557315
9327171503
10142532301
117350169a
123b897b79
13236b5b52
1414d03389
15c7a6bd6
hex87edecd

142532301 has 16 divisors (see below), whose sum is σ = 201775104. Its totient is φ = 89186304.

The previous prime is 142532297. The next prime is 142532363. The reversal of 142532301 is 103235241.

It is not a de Polignac number, because 142532301 - 22 = 142532297 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142532371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15885 + ... + 23181.

It is an arithmetic number, because the mean of its divisors is an integer number (12610944).

Almost surely, 2142532301 is an apocalyptic number.

It is an amenable number.

142532301 is a deficient number, since it is larger than the sum of its proper divisors (59242803).

142532301 is a wasteful number, since it uses less digits than its factorization.

142532301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 142532301 is about 11938.6892496622. The cubic root of 142532301 is about 522.3614259775.

Adding to 142532301 its reverse (103235241), we get a palindrome (245767542).

The spelling of 142532301 in words is "one hundred forty-two million, five hundred thirty-two thousand, three hundred one".

Divisors: 1 3 17 51 383 1149 6511 7297 19533 21891 124049 372147 2794751 8384253 47510767 142532301