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101320225 = 524198849
BaseRepresentation
bin1100000101000…
…00011000100001
321001122121012221
412002200120201
5201414221400
614015351041
72340131146
oct602403041
9231577187
10101320225
1152213426
1229b22481
1317cb66c6
14d6563cd
158d65c1a
hex60a0621

101320225 has 12 divisors (see below), whose sum is σ = 128702700. Its totient is φ = 79078400.

The previous prime is 101320151. The next prime is 101320237. The reversal of 101320225 is 522023101.

101320225 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 6 ways, for example, as 23580736 + 77739489 = 4856^2 + 8817^2 .

It is not a de Polignac number, because 101320225 - 223 = 92931617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101320199 and 101320208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48400 + ... + 50449.

It is an arithmetic number, because the mean of its divisors is an integer number (10725225).

Almost surely, 2101320225 is an apocalyptic number.

It is an amenable number.

101320225 is a deficient number, since it is larger than the sum of its proper divisors (27382475).

101320225 is an equidigital number, since it uses as much as digits as its factorization.

101320225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98900 (or 98895 counting only the distinct ones).

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

The square root of 101320225 is about 10065.7948022002. The cubic root of 101320225 is about 466.1926067447.

Adding to 101320225 its reverse (522023101), we get a palindrome (623343326).

The spelling of 101320225 in words is "one hundred one million, three hundred twenty thousand, two hundred twenty-five".

Divisors: 1 5 25 41 205 1025 98849 494245 2471225 4052809 20264045 101320225