Search a number
-
+
252206101 = 7172119379
BaseRepresentation
bin11110000100001…
…01110000010101
3122120120101201201
433002011300111
51004031043401
641005352501
76151500520
oct1702056025
9576511651
10252206101
1111a4001a4
1270568731
13403358a4
14256d1bb7
151721cb01
hexf085c15

252206101 has 8 divisors (see below), whose sum is σ = 305190720. Its totient is φ = 203460288.

The previous prime is 252206029. The next prime is 252206107. The reversal of 252206101 is 101602252.

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 252206101 - 27 = 252205973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252206107) 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, 1059571 + ... + 1059808.

It is an arithmetic number, because the mean of its divisors is an integer number (38148840).

Almost surely, 2252206101 is an apocalyptic number.

It is an amenable number.

252206101 is a deficient number, since it is larger than the sum of its proper divisors (52984619).

252206101 is a wasteful number, since it uses less digits than its factorization.

252206101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119403.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 252206101 is about 15880.9981109501. The cubic root of 252206101 is about 631.8081096719.

Adding to 252206101 its reverse (101602252), we get a palindrome (353808353).

The spelling of 252206101 in words is "two hundred fifty-two million, two hundred six thousand, one hundred one".

Divisors: 1 7 17 119 2119379 14835653 36029443 252206101