Search a number
-
+
252244230 = 23571201163
BaseRepresentation
bin11110000100011…
…11000100000110
3122120122100000220
433002033010012
51004033303410
641010245210
76152016630
oct1702170406
9576570026
10252244230
1111a426907
1270586806
134034a054
1425701a50
1517229070
hexf08f106

252244230 has 32 divisors (see below), whose sum is σ = 691870464. Its totient is φ = 57655776.

The previous prime is 252244229. The next prime is 252244231. The reversal of 252244230 is 32442252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (252244229) and next prime (252244231).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252244230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252244231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600372 + ... + 600791.

It is an arithmetic number, because the mean of its divisors is an integer number (21620952).

Almost surely, 2252244230 is an apocalyptic number.

252244230 is an abundant number, since it is smaller than the sum of its proper divisors (439626234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252244230 is a wasteful number, since it uses less digits than its factorization.

252244230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201180.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 252244230 is about 15882.1985253931. The cubic root of 252244230 is about 631.8399473864.

Adding to 252244230 its reverse (32442252), we get a palindrome (284686482).

The spelling of 252244230 in words is "two hundred fifty-two million, two hundred forty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1201163 2402326 3603489 6005815 7206978 8408141 12011630 16816282 18017445 25224423 36034890 42040705 50448846 84081410 126122115 252244230