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142953413 = 336142533
BaseRepresentation
bin10001000010101…
…00101111000101
3100221222210012212
420201110233011
5243044002123
622103553205
73354040541
oct1041245705
9327883185
10142953413
117376a019
123ba5b805
1323802725
1414db2a21
15c83b878
hex8854bc5

142953413 has 4 divisors (see below), whose sum is σ = 142999308. Its totient is φ = 142907520.

The previous prime is 142953409. The next prime is 142953443. The reversal of 142953413 is 314359241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76335169 + 66618244 = 8737^2 + 8162^2 .

It is a cyclic number.

It is not a de Polignac number, because 142953413 - 22 = 142953409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142953413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142953403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17906 + ... + 24627.

It is an arithmetic number, because the mean of its divisors is an integer number (35749827).

Almost surely, 2142953413 is an apocalyptic number.

It is an amenable number.

142953413 is a deficient number, since it is larger than the sum of its proper divisors (45895).

142953413 is an equidigital number, since it uses as much as digits as its factorization.

142953413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45894.

The product of its digits is 12960, while the sum is 32.

The square root of 142953413 is about 11956.3126841012. The cubic root of 142953413 is about 522.8753595013.

The spelling of 142953413 in words is "one hundred forty-two million, nine hundred fifty-three thousand, four hundred thirteen".

Divisors: 1 3361 42533 142953413