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201398 = 2100699
BaseRepresentation
bin110001001010110110
3101020021012
4301022312
522421043
64152222
71466111
oct611266
9336235
10201398
1112834a
1298672
1370892
1453578
153ea18
hex312b6

201398 has 4 divisors (see below), whose sum is σ = 302100. Its totient is φ = 100698.

The previous prime is 201389. The next prime is 201401. The reversal of 201398 is 893102.

201398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2013982 = 81122308808, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 201398.

It is an unprimeable number.

201398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50348 + ... + 50351.

It is an arithmetic number, because the mean of its divisors is an integer number (75525).

2201398 is an apocalyptic number.

201398 is a deficient number, since it is larger than the sum of its proper divisors (100702).

201398 is a wasteful number, since it uses less digits than its factorization.

201398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100701.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 201398 is about 448.7738851582. The cubic root of 201398 is about 58.6162977340.

The spelling of 201398 in words is "two hundred one thousand, three hundred ninety-eight".

Divisors: 1 2 100699 201398