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201398083 = 1371470059
BaseRepresentation
bin11000000000100…
…01011101000011
3112000222002020021
430000101131003
5403024214313
631552354311
74663566265
oct1400213503
9460862207
10201398083
11a37583a7
1257545997
1332956783
141ca67b35
1512a3378d
hexc011743

201398083 has 4 divisors (see below), whose sum is σ = 202868280. Its totient is φ = 199927888.

The previous prime is 201398077. The next prime is 201398117. The reversal of 201398083 is 380893102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380893102 = 2190446551.

It is a cyclic number.

It is not a de Polignac number, because 201398083 - 221 = 199300931 is a prime.

It is a super-2 number, since 2×2013980832 = 81122375672149778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201398003) 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, 734893 + ... + 735166.

It is an arithmetic number, because the mean of its divisors is an integer number (50717070).

Almost surely, 2201398083 is an apocalyptic number.

201398083 is a deficient number, since it is larger than the sum of its proper divisors (1470197).

201398083 is a wasteful number, since it uses less digits than its factorization.

201398083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470196.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 201398083 is about 14191.4792393182. The cubic root of 201398083 is about 586.1630578634.

The spelling of 201398083 in words is "two hundred one million, three hundred ninety-eight thousand, eighty-three".

Divisors: 1 137 1470059 201398083