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142459201 = 1724413433
BaseRepresentation
bin10000111110111…
…00000101000001
3100221001200021201
420133130011001
5242432143301
622045221201
73346611643
oct1037340501
9327050251
10142459201
1173461785
123b861801
132368b7b1
1414cc4893
15c790201
hex87dc141

142459201 has 8 divisors (see below), whose sum is σ = 150944904. Its totient is φ = 133985280.

The previous prime is 142459193. The next prime is 142459211. The reversal of 142459201 is 102954241.

It can be written as a sum of positive squares in 4 ways, for example, as 6760000 + 135699201 = 2600^2 + 11649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142459201 - 23 = 142459193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142459201.

It is not an unprimeable number, because it can be changed into a prime (142459211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39781 + ... + 43213.

It is an arithmetic number, because the mean of its divisors is an integer number (18868113).

Almost surely, 2142459201 is an apocalyptic number.

It is an amenable number.

142459201 is a deficient number, since it is larger than the sum of its proper divisors (8485703).

142459201 is a wasteful number, since it uses less digits than its factorization.

142459201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 142459201 is about 11935.6273819184. The cubic root of 142459201 is about 522.2721101998.

The spelling of 142459201 in words is "one hundred forty-two million, four hundred fifty-nine thousand, two hundred one".

Divisors: 1 17 2441 3433 41497 58361 8379953 142459201