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2263693 = 7131883
BaseRepresentation
bin1000101000101010001101
311021000012111
420220222031
51034414233
6120304021
725145455
oct10505215
94230174
102263693
111306823
12912011
13613483
1442cd65
152eaacd
hex228a8d

2263693 has 4 divisors (see below), whose sum is σ = 2295648. Its totient is φ = 2231740.

The previous prime is 2263691. The next prime is 2263699. The reversal of 2263693 is 3963622.

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 2263693 - 21 = 2263691 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 29 + 219 + 63 + 3 + 68 + 9 + 310 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263691) 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, 15871 + ... + 16012.

It is an arithmetic number, because the mean of its divisors is an integer number (573912).

22263693 is an apocalyptic number.

It is an amenable number.

2263693 is a deficient number, since it is larger than the sum of its proper divisors (31955).

2263693 is an equidigital number, since it uses as much as digits as its factorization.

2263693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31954.

The product of its digits is 11664, while the sum is 31.

The square root of 2263693 is about 1504.5574100047. The cubic root of 2263693 is about 131.3023531131.

The spelling of 2263693 in words is "two million, two hundred sixty-three thousand, six hundred ninety-three".

Divisors: 1 71 31883 2263693