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25200106 = 2101124753
BaseRepresentation
bin110000000100…
…0010111101010
31202102022001021
41200020113222
522422400411
62300043054
7424124461
oct140102752
952368037
1025200106
1113252238
12853348a
1352b4309
1434bd9d8
15232ba71
hex18085ea

25200106 has 8 divisors (see below), whose sum is σ = 38174724. Its totient is φ = 12475200.

The previous prime is 25200073. The next prime is 25200113. The reversal of 25200106 is 60100252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15928081 + 9272025 = 3991^2 + 3045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×252001062 = 1270090684822472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25200106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62175 + ... + 62578.

Almost surely, 225200106 is an apocalyptic number.

25200106 is a deficient number, since it is larger than the sum of its proper divisors (12974618).

25200106 is a wasteful number, since it uses less digits than its factorization.

25200106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124856.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 25200106 is about 5019.9707170461. The cubic root of 25200106 is about 293.1798528468.

Adding to 25200106 its reverse (60100252), we get a palindrome (85300358).

The spelling of 25200106 in words is "twenty-five million, two hundred thousand, one hundred six".

Divisors: 1 2 101 202 124753 249506 12600053 25200106