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2147401 = 31531307
BaseRepresentation
bin1000001100010001001001
311001002200101
420030101021
51022204101
6114005401
724152434
oct10142111
94032611
102147401
111237413
12876861
135a2569
143dc81b
152c6401
hex20c449

2147401 has 8 divisors (see below), whose sum is σ = 2260224. Its totient is φ = 2037360.

The previous prime is 2147381. The next prime is 2147407. The reversal of 2147401 is 1047412.

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

It is a cyclic number.

It is not a de Polignac number, because 2147401 - 27 = 2147273 is a prime.

It is a super-2 number, since 2×21474012 = 9222662109602, which contains 22 as substring.

It is a Duffinian number.

2147401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2147407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990 + ... + 2296.

It is an arithmetic number, because the mean of its divisors is an integer number (282528).

22147401 is an apocalyptic number.

It is an amenable number.

2147401 is a deficient number, since it is larger than the sum of its proper divisors (112823).

2147401 is a wasteful number, since it uses less digits than its factorization.

2147401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2147401 is about 1465.4013102219. The cubic root of 2147401 is about 129.0142603869.

The spelling of 2147401 in words is "two million, one hundred forty-seven thousand, four hundred one".

Divisors: 1 31 53 1307 1643 40517 69271 2147401