Search a number
-
+
251024116 = 227232913441
BaseRepresentation
bin11101111011001…
…01001011110100
3122111100100100111
432331211023310
51003230232431
640524152404
76135445510
oct1675451364
9574310314
10251024116
11119773152
1270098704
13400108a5
14254a5140
15170877b1
hexef652f4

251024116 has 48 divisors (see below), whose sum is σ = 541981440. Its totient is φ = 99348480.

The previous prime is 251024101. The next prime is 251024129. The reversal of 251024116 is 611420152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11956 + ... + 25396.

It is an arithmetic number, because the mean of its divisors is an integer number (11291280).

Almost surely, 2251024116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 251024116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270990720).

251024116 is an abundant number, since it is smaller than the sum of its proper divisors (290957324).

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

251024116 is a wasteful number, since it uses less digits than its factorization.

251024116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504 (or 13502 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 251024116 is about 15843.7405936856. The cubic root of 251024116 is about 630.8195565530.

Adding to 251024116 its reverse (611420152), we get a palindrome (862444268).

The spelling of 251024116 in words is "two hundred fifty-one million, twenty-four thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 23 28 29 46 58 92 116 161 203 322 406 644 667 812 1334 2668 4669 9338 13441 18676 26882 53764 94087 188174 309143 376348 389789 618286 779578 1236572 1559156 2164001 2728523 4328002 5457046 8656004 8965147 10914092 17930294 35860588 62756029 125512058 251024116