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245225101 = 1122293191
BaseRepresentation
bin11101001110111…
…01011010001101
3122002102201121011
432213131122031
51000234200401
640200005221
76035243662
oct1647353215
9562381534
10245225101
11116472280
126a160811
133ba60214
14247d5a69
15167de451
hexe9dd68d

245225101 has 4 divisors (see below), whose sum is σ = 267518304. Its totient is φ = 222931900.

The previous prime is 245225089. The next prime is 245225107. The reversal of 245225101 is 101522542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245225101 - 29 = 245224589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245225107) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11146585 + ... + 11146606.

It is an arithmetic number, because the mean of its divisors is an integer number (66879576).

Almost surely, 2245225101 is an apocalyptic number.

It is an amenable number.

245225101 is a deficient number, since it is larger than the sum of its proper divisors (22293203).

245225101 is a wasteful number, since it uses less digits than its factorization.

245225101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22293202.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 245225101 is about 15659.6647792984. The cubic root of 245225101 is about 625.9240526494.

Adding to 245225101 its reverse (101522542), we get a palindrome (346747643).

The spelling of 245225101 in words is "two hundred forty-five million, two hundred twenty-five thousand, one hundred one".

Divisors: 1 11 22293191 245225101