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207070199 = 729581457
BaseRepresentation
bin11000101011110…
…10001111110111
3112102122020220122
430111322033313
5411002221244
632314122155
75063032130
oct1425721767
9472566818
10207070199
11a69819a6
125942035b
1333b9145b
141d702c87
15132a41ee
hexc57a3f7

207070199 has 4 divisors (see below), whose sum is σ = 236651664. Its totient is φ = 177488736.

The previous prime is 207070177. The next prime is 207070207. The reversal of 207070199 is 991070702.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-207070199 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 (207070169) 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, 14790722 + ... + 14790735.

It is an arithmetic number, because the mean of its divisors is an integer number (59162916).

Almost surely, 2207070199 is an apocalyptic number.

207070199 is a deficient number, since it is larger than the sum of its proper divisors (29581465).

207070199 is an equidigital number, since it uses as much as digits as its factorization.

207070199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29581464.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 207070199 is about 14389.9339470339. The cubic root of 207070199 is about 591.6150321225.

The spelling of 207070199 in words is "two hundred seven million, seventy thousand, one hundred ninety-nine".

Divisors: 1 7 29581457 207070199