Search a number
-
+
121333250 = 2531728549
BaseRepresentation
bin1110011101101…
…10011000000010
322110022100221002
413032312120002
5222030131000
620012332002
73002213153
oct716663002
9273270832
10121333250
1162542515
1234774002
131c1a2a2c
141218592a
15a9ba8d5
hex73b6602

121333250 has 32 divisors (see below), whose sum is σ = 240505200. Its totient is φ = 45676800.

The previous prime is 121333243. The next prime is 121333253. The reversal of 121333250 is 52333121.

It can be written as a sum of positive squares in 8 ways, for example, as 3024121 + 118309129 = 1739^2 + 10877^2 .

It is not an unprimeable number, because it can be changed into a prime (121333253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10025 + ... + 18524.

Almost surely, 2121333250 is an apocalyptic number.

121333250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121333250 is a deficient number, since it is larger than the sum of its proper divisors (119171950).

121333250 is a wasteful number, since it uses less digits than its factorization.

121333250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28583 (or 28573 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 121333250 is about 11015.1373118995. The cubic root of 121333250 is about 495.0624007311.

Adding to 121333250 its reverse (52333121), we get a palindrome (173666371).

The spelling of 121333250 in words is "one hundred twenty-one million, three hundred thirty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 125 170 250 425 850 2125 4250 28549 57098 142745 285490 485333 713725 970666 1427450 2426665 3568625 4853330 7137250 12133325 24266650 60666625 121333250