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207372989 is a prime number
BaseRepresentation
bin11000101110001…
…00001010111101
3112110012122021002
430113010022331
5411041413424
632324420045
75065432655
oct1427041275
9473178232
10207372989
11a706943a
1259547625
1333c69215
141d781365
1513313cae
hexc5c42bd

207372989 has 2 divisors, whose sum is σ = 207372990. Its totient is φ = 207372988.

The previous prime is 207372959. The next prime is 207373051. The reversal of 207372989 is 989273702.

207372989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180768025 + 26604964 = 13445^2 + 5158^2 .

It is a cyclic number.

It is not a de Polignac number, because 207372989 - 216 = 207307453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207372929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103686494 + 103686495.

It is an arithmetic number, because the mean of its divisors is an integer number (103686495).

Almost surely, 2207372989 is an apocalyptic number.

It is an amenable number.

207372989 is a deficient number, since it is larger than the sum of its proper divisors (1).

207372989 is an equidigital number, since it uses as much as digits as its factorization.

207372989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 207372989 is about 14400.4509998819. The cubic root of 207372989 is about 591.9032562343.

The spelling of 207372989 in words is "two hundred seven million, three hundred seventy-two thousand, nine hundred eighty-nine".