Search a number
-
+
550142500 = 2254220057
BaseRepresentation
bin100000110010101…
…000001000100100
31102100012010122011
4200302220020210
52111314030000
6130331244004
716430063665
oct4062501044
91370163564
10550142500
112625a5226
121342a9604
1389c9030b
14530c936c
15334702ba
hex20ca8224

550142500 has 30 divisors (see below), whose sum is σ = 1203057086. Its totient is φ = 220056000.

The previous prime is 550142479. The next prime is 550142503. The reversal of 550142500 is 5241055.

It can be written as a sum of positive squares in 5 ways, for example, as 96196864 + 453945636 = 9808^2 + 21306^2 .

It is not an unprimeable number, because it can be changed into a prime (550142503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 107529 + ... + 112528.

Almost surely, 2550142500 is an apocalyptic number.

550142500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550142500 is an abundant number, since it is smaller than the sum of its proper divisors (652914586).

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

550142500 is a wasteful number, since it uses less digits than its factorization.

550142500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220081 (or 220064 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 550142500 is about 23455.1167125640. The cubic root of 550142500 is about 819.3920240548.

Adding to 550142500 its reverse (5241055), we get a palindrome (555383555).

The spelling of 550142500 in words is "five hundred fifty million, one hundred forty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 220057 440114 880228 1100285 2200570 4401140 5501425 11002850 22005700 27507125 55014250 110028500 137535625 275071250 550142500