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2133201 = 37101581
BaseRepresentation
bin1000001000110011010001
311000101012110
420020303101
51021230301
6113415533
724063150
oct10106321
94011173
102133201
111227784
1286a5a9
13598c65
143d7597
152c20d6
hex208cd1

2133201 has 8 divisors (see below), whose sum is σ = 3250624. Its totient is φ = 1218960.

The previous prime is 2133191. The next prime is 2133217. The reversal of 2133201 is 1023312.

It is a happy number.

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

It is not a de Polignac number, because 2133201 - 26 = 2133137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133251) 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, 50770 + ... + 50811.

It is an arithmetic number, because the mean of its divisors is an integer number (406328).

22133201 is an apocalyptic number.

2133201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2133201 is a deficient number, since it is larger than the sum of its proper divisors (1117423).

2133201 is a wasteful number, since it uses less digits than its factorization.

2133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101591.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2133201 is about 1460.5481847580. The cubic root of 2133201 is about 128.7292560918.

Adding to 2133201 its reverse (1023312), we get a palindrome (3156513).

The spelling of 2133201 in words is "two million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 3 7 21 101581 304743 711067 2133201