Search a number
-
+
101230500 = 22353731311
BaseRepresentation
bin1100000100010…
…10011110100100
321001111001010210
412002022132210
5201403334000
614013415420
72336305440
oct602123644
9231431123
10101230500
1152161a78
1229a9a570
1317c84907
14d631820
158d49350
hex608a7a4

101230500 has 192 divisors, whose sum is σ = 348880896. Its totient is φ = 22320000.

The previous prime is 101230421. The next prime is 101230511. The reversal of 101230500 is 5032101.

It is a super-2 number, since 2×1012305002 = 20495228260500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 325345 + ... + 325655.

It is an arithmetic number, because the mean of its divisors is an integer number (1817088).

Almost surely, 2101230500 is an apocalyptic number.

101230500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101230500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174440448).

101230500 is an abundant number, since it is smaller than the sum of its proper divisors (247650396).

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

101230500 is a wasteful number, since it uses less digits than its factorization.

101230500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 101230500 is about 10061.3368893005. The cubic root of 101230500 is about 466.0549524738.

Adding to 101230500 its reverse (5032101), we get a palindrome (106262601).

The spelling of 101230500 in words is "one hundred one million, two hundred thirty thousand, five hundred".