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207229093 = 271764683
BaseRepresentation
bin11000101101000…
…01000010100101
3112102221022212121
430112201002211
5411022312333
632321345541
75064263311
oct1426410245
9472838777
10207229093
11a6a80315
12594982b1
1333c18886
141d744b41
15132d632d
hexc5a10a5

207229093 has 4 divisors (see below), whose sum is σ = 207994048. Its totient is φ = 206464140.

The previous prime is 207229091. The next prime is 207229111. The reversal of 207229093 is 390922702.

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, and also an emirpimes, since its reverse is a distinct semiprime: 390922702 = 2195461351.

It is a cyclic number.

It is not a de Polignac number, because 207229093 - 21 = 207229091 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 (207229091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382071 + ... + 382612.

It is an arithmetic number, because the mean of its divisors is an integer number (51998512).

Almost surely, 2207229093 is an apocalyptic number.

It is an amenable number.

207229093 is a deficient number, since it is larger than the sum of its proper divisors (764955).

207229093 is an equidigital number, since it uses as much as digits as its factorization.

207229093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764954.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 207229093 is about 14395.4539004507. The cubic root of 207229093 is about 591.7663174437.

The spelling of 207229093 in words is "two hundred seven million, two hundred twenty-nine thousand, ninety-three".

Divisors: 1 271 764683 207229093