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229940125 = 531919631
BaseRepresentation
bin11011011010010…
…01101110011101
3121000200011112221
431231021232131
5432331041000
634452225341
75461313242
oct1555115635
9530604487
10229940125
11108882468
126500b251
133883ac5c
14227775c9
15152c061a
hexdb49b9d

229940125 has 16 divisors (see below), whose sum is σ = 288497664. Its totient is φ = 182970000.

The previous prime is 229940107. The next prime is 229940141. The reversal of 229940125 is 521049922.

It is not a de Polignac number, because 229940125 - 29 = 229939613 is a prime.

It is a super-2 number, since 2×2299401252 = 105744922170031250, which contains 22 as substring.

It is a Duffinian number.

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, 19060 + ... + 28690.

It is an arithmetic number, because the mean of its divisors is an integer number (18031104).

Almost surely, 2229940125 is an apocalyptic number.

229940125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229940125 is a deficient number, since it is larger than the sum of its proper divisors (58557539).

229940125 is an equidigital number, since it uses as much as digits as its factorization.

229940125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9837 (or 9827 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 229940125 is about 15163.7767393219. The cubic root of 229940125 is about 612.6393962891.

It can be divided in two parts, 2299 and 40125, that added together give a palindrome (42424).

The spelling of 229940125 in words is "two hundred twenty-nine million, nine hundred forty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 191 955 4775 9631 23875 48155 240775 1203875 1839521 9197605 45988025 229940125