Search a number
-
+
2093281 = 67157199
BaseRepresentation
bin111111111000011100001
310221100102221
413333003201
51013441111
6112511041
723535601
oct7770341
93840387
102093281
1111aa793
1284b481
13583a38
143c6c01
152b5371
hex1ff0e1

2093281 has 8 divisors (see below), whose sum is σ = 2148800. Its totient is φ = 2038608.

The previous prime is 2093279. The next prime is 2093291. The reversal of 2093281 is 1823902.

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 2093281 - 21 = 2093279 is a prime.

It is a super-2 number, since 2×20932812 = 8763650689922, which contains 22 as substring.

It is a Duffinian number.

2093281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2093251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10420 + ... + 10618.

It is an arithmetic number, because the mean of its divisors is an integer number (268600).

22093281 is an apocalyptic number.

It is an amenable number.

2093281 is a deficient number, since it is larger than the sum of its proper divisors (55519).

2093281 is a wasteful number, since it uses less digits than its factorization.

2093281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2093281 is about 1446.8175420557. The cubic root of 2093281 is about 127.9211957969.

The spelling of 2093281 in words is "two million, ninety-three thousand, two hundred eighty-one".

Divisors: 1 67 157 199 10519 13333 31243 2093281