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207252393 = 3281245851
BaseRepresentation
bin11000101101001…
…10101110101001
3112102222111211120
430112212232221
5411024034033
632322045453
75064421245
oct1426465651
9472874746
10207252393
11a6a96877
12594a9889
1333c2636a
141d74d425
15132dd1b3
hexc5a6ba9

207252393 has 8 divisors (see below), whose sum is σ = 277321056. Its totient is φ = 137676000.

The previous prime is 207252359. The next prime is 207252449. The reversal of 207252393 is 393252702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 207252393 - 28 = 207252137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (207252193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122083 + ... + 123768.

It is an arithmetic number, because the mean of its divisors is an integer number (34665132).

Almost surely, 2207252393 is an apocalyptic number.

It is an amenable number.

207252393 is a deficient number, since it is larger than the sum of its proper divisors (70068663).

207252393 is a wasteful number, since it uses less digits than its factorization.

207252393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246135.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 207252393 is about 14396.2631609734. The cubic root of 207252393 is about 591.7884952153.

The spelling of 207252393 in words is "two hundred seven million, two hundred fifty-two thousand, three hundred ninety-three".

Divisors: 1 3 281 843 245851 737553 69084131 207252393