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214502525 = 528580101
BaseRepresentation
bin11001100100100…
…00110001111101
3112221121212010222
430302100301331
5414403040100
633141311125
75213145536
oct1462206175
9487555128
10214502525
11100098a16
125ba054a5
1335594393
14206b968d
1513c71485
hexcc90c7d

214502525 has 6 divisors (see below), whose sum is σ = 265983162. Its totient is φ = 171602000.

The previous prime is 214502521. The next prime is 214502539. The reversal of 214502525 is 525205412.

214502525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2829124 + 211673401 = 1682^2 + 14549^2 .

It is not a de Polignac number, because 214502525 - 22 = 214502521 is a prime.

It is a super-2 number, since 2×2145025252 = 92022666462751250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214502494 and 214502503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214502521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4290026 + ... + 4290075.

It is an arithmetic number, because the mean of its divisors is an integer number (44330527).

Almost surely, 2214502525 is an apocalyptic number.

214502525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214502525 is a deficient number, since it is larger than the sum of its proper divisors (51480637).

214502525 is an equidigital number, since it uses as much as digits as its factorization.

214502525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580111 (or 8580106 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 214502525 is about 14645.9047177018. The cubic root of 214502525 is about 598.6102324699.

Adding to 214502525 its reverse (525205412), we get a palindrome (739707937).

The spelling of 214502525 in words is "two hundred fourteen million, five hundred two thousand, five hundred twenty-five".

Divisors: 1 5 25 8580101 42900505 214502525