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142210201 = 73414607
BaseRepresentation
bin10000111100111…
…11010010011001
3100220121000201111
420132133102121
5242401211301
622040020321
73344524000
oct1036372231
9326530644
10142210201
11733016a1
123b7616a1
1323602363
1414c5bc37
15c741551
hex879f499

142210201 has 8 divisors (see below), whose sum is σ = 165843200. Its totient is φ = 121894164.

The previous prime is 142210199. The next prime is 142210207. The reversal of 142210201 is 102012241.

It is a happy number.

It is not a de Polignac number, because 142210201 - 21 = 142210199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142210207) 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, 206961 + ... + 207646.

It is an arithmetic number, because the mean of its divisors is an integer number (20730400).

Almost surely, 2142210201 is an apocalyptic number.

It is an amenable number.

142210201 is a deficient number, since it is larger than the sum of its proper divisors (23632999).

142210201 is an frugal number, since it uses more digits than its factorization.

142210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414628 (or 414614 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 142210201 is about 11925.1918642846. The cubic root of 142210201 is about 521.9676450246.

Adding to 142210201 its reverse (102012241), we get a palindrome (244222442).

The spelling of 142210201 in words is "one hundred forty-two million, two hundred ten thousand, two hundred one".

Divisors: 1 7 49 343 414607 2902249 20315743 142210201