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142513412 = 2235628353
BaseRepresentation
bin10000111111010…
…01010100000100
3100221011102122112
420133221110010
5242440412122
622050320152
73350225666
oct1037512404
9327142575
10142513412
1173499488
123b889058
13236aa382
1414cda536
15c7a12e2
hex87e9504

142513412 has 6 divisors (see below), whose sum is σ = 249398478. Its totient is φ = 71256704.

The previous prime is 142513411. The next prime is 142513429. The reversal of 142513412 is 214315241.

It can be written as a sum of positive squares in only one way, i.e., 121132036 + 21381376 = 11006^2 + 4624^2 .

It is not an unprimeable number, because it can be changed into a prime (142513411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17814173 + ... + 17814180.

It is an arithmetic number, because the mean of its divisors is an integer number (41566413).

Almost surely, 2142513412 is an apocalyptic number.

It is an amenable number.

142513412 is a deficient number, since it is larger than the sum of its proper divisors (106885066).

142513412 is a wasteful number, since it uses less digits than its factorization.

142513412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35628357 (or 35628355 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 142513412 is about 11937.8981399575. The cubic root of 142513412 is about 522.3383497560.

Adding to 142513412 its reverse (214315241), we get a palindrome (356828653).

The spelling of 142513412 in words is "one hundred forty-two million, five hundred thirteen thousand, four hundred twelve".

Divisors: 1 2 4 35628353 71256706 142513412