Search a number
-
+
50130450 = 23252176553
BaseRepresentation
bin1011111100111…
…0111000010010
310111022220001100
42333032320102
5100313133300
64550245230
71146046626
oct277167022
9114286040
1050130450
112632a827
1214956816
13a5028b6
14692d186
154603700
hex2fcee12

50130450 has 72 divisors (see below), whose sum is σ = 142628148. Its totient is φ = 12579840.

The previous prime is 50130439. The next prime is 50130481. The reversal of 50130450 is 5403105.

It can be written as a sum of positive squares in 6 ways, for example, as 21261321 + 28869129 = 4611^2 + 5373^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4374 + ... + 10926.

Almost surely, 250130450 is an apocalyptic number.

50130450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50130450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71314074).

50130450 is an abundant number, since it is smaller than the sum of its proper divisors (92497698).

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

50130450 is a wasteful number, since it uses less digits than its factorization.

50130450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588 (or 6580 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 50130450 is about 7080.2860111721. The cubic root of 50130450 is about 368.7232595758.

Adding to 50130450 its reverse (5403105), we get a palindrome (55533555).

The spelling of 50130450 in words is "fifty million, one hundred thirty thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 17 18 25 30 34 45 50 51 75 85 90 102 150 153 170 225 255 306 425 450 510 765 850 1275 1530 2550 3825 6553 7650 13106 19659 32765 39318 58977 65530 98295 111401 117954 163825 196590 222802 294885 327650 334203 491475 557005 589770 668406 982950 1002609 1114010 1474425 1671015 2005218 2785025 2948850 3342030 5013045 5570050 8355075 10026090 16710150 25065225 50130450