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207472141 = 568936469
BaseRepresentation
bin11000101110111…
…00011000001101
3112110101200021101
430113130120031
5411103102031
632330503101
75066325022
oct1427343015
9473350241
10207472141
11a7126988
1259594a91
1333ca23a6
141d7a9549
1513333361
hexc5dc60d

207472141 has 4 divisors (see below), whose sum is σ = 207514300. Its totient is φ = 207429984.

The previous prime is 207472129. The next prime is 207472151. The reversal of 207472141 is 141274702.

207472141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145298916 + 62173225 = 12054^2 + 7885^2 .

It is a cyclic number.

It is not a de Polignac number, because 207472141 - 215 = 207439373 is a prime.

It is a super-2 number, since 2×2074721412 = 86089378582247762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207472151) 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, 12546 + ... + 23923.

It is an arithmetic number, because the mean of its divisors is an integer number (51878575).

Almost surely, 2207472141 is an apocalyptic number.

It is an amenable number.

207472141 is a deficient number, since it is larger than the sum of its proper divisors (42159).

207472141 is an equidigital number, since it uses as much as digits as its factorization.

207472141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42158.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 207472141 is about 14403.8932584215. The cubic root of 207472141 is about 591.9975774873.

The spelling of 207472141 in words is "two hundred seven million, four hundred seventy-two thousand, one hundred forty-one".

Divisors: 1 5689 36469 207472141