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2200401 = 32753659
BaseRepresentation
bin1000011001001101010001
311010210101100
420121031101
51030403101
6115055013
724463110
oct10311521
94123340
102200401
111273215
128a1469
135c0718
14413c77
152d6e86
hex219351

2200401 has 24 divisors (see below), whose sum is σ = 3706560. Its totient is φ = 1231776.

The previous prime is 2200397. The next prime is 2200403. The reversal of 2200401 is 1040022.

It is not a de Polignac number, because 2200401 - 22 = 2200397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

2200401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2200403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3010 + ... + 3668.

It is an arithmetic number, because the mean of its divisors is an integer number (154440).

22200401 is an apocalyptic number.

2200401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2200401 is a deficient number, since it is larger than the sum of its proper divisors (1506159).

2200401 is a wasteful number, since it uses less digits than its factorization.

2200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2200401 is about 1483.3748683323. The cubic root of 2200401 is about 130.0670462834.

Adding to 2200401 its reverse (1040022), we get a palindrome (3240423).

It can be divided in two parts, 2200 and 401, that added together give a square (2601 = 512).

The spelling of 2200401 in words is "two million, two hundred thousand, four hundred one".

Divisors: 1 3 7 9 21 53 63 159 371 477 659 1113 1977 3339 4613 5931 13839 34927 41517 104781 244489 314343 733467 2200401