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207228241 = 1118838931
BaseRepresentation
bin11000101101000…
…00110101010001
3112102221021201001
430112200311101
5411022300431
632321342001
75064260653
oct1426406521
9472837631
10207228241
11a6a7a710
1259497901
1333c1837c
141d7446d3
15132d5e61
hexc5a0d51

207228241 has 4 divisors (see below), whose sum is σ = 226067184. Its totient is φ = 188389300.

The previous prime is 207228233. The next prime is 207228247. The reversal of 207228241 is 142822702.

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 not a de Polignac number, because 207228241 - 23 = 207228233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207228247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9419455 + ... + 9419476.

It is an arithmetic number, because the mean of its divisors is an integer number (56516796).

Almost surely, 2207228241 is an apocalyptic number.

It is an amenable number.

207228241 is a deficient number, since it is larger than the sum of its proper divisors (18838943).

207228241 is a wasteful number, since it uses less digits than its factorization.

207228241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18838942.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 207228241 is about 14395.4243077445. The cubic root of 207228241 is about 591.7655064482.

The spelling of 207228241 in words is "two hundred seven million, two hundred twenty-eight thousand, two hundred forty-one".

Divisors: 1 11 18838931 207228241