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2193401 = 7313343
BaseRepresentation
bin1000010111011111111001
311010102210002
420113133321
51030142101
6115002345
724433520
oct10273771
94112702
102193401
111268a31
128993b5
135ba492
144114b7
152d4d6b
hex2177f9

2193401 has 4 divisors (see below), whose sum is σ = 2506752. Its totient is φ = 1880052.

The previous prime is 2193383. The next prime is 2193413. The reversal of 2193401 is 1043912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2193401 - 26 = 2193337 is a prime.

It is a super-2 number, since 2×21934012 = 9622015893602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2193421) 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, 156665 + ... + 156678.

It is an arithmetic number, because the mean of its divisors is an integer number (626688).

22193401 is an apocalyptic number.

It is an amenable number.

2193401 is a deficient number, since it is larger than the sum of its proper divisors (313351).

2193401 is an equidigital number, since it uses as much as digits as its factorization.

2193401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313350.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2193401 is about 1481.0135043274. The cubic root of 2193401 is about 129.9289750095.

The spelling of 2193401 in words is "two million, one hundred ninety-three thousand, four hundred one".

Divisors: 1 7 313343 2193401