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2293047 = 32254783
BaseRepresentation
bin1000101111110100110111
311022111110200
420233310313
51041334142
6121051543
725330161
oct10576467
94274420
102293047
111326889
12926bb3
13623943
14439931
1530464c
hex22fd37

2293047 has 6 divisors (see below), whose sum is σ = 3312192. Its totient is φ = 1528692.

The previous prime is 2293037. The next prime is 2293063. The reversal of 2293047 is 7403922.

It is not a de Polignac number, because 2293047 - 27 = 2292919 is a prime.

2293047 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2293047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2293037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127383 + ... + 127400.

It is an arithmetic number, because the mean of its divisors is an integer number (552032).

22293047 is an apocalyptic number.

2293047 is a deficient number, since it is larger than the sum of its proper divisors (1019145).

2293047 is a wasteful number, since it uses less digits than its factorization.

2293047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254789 (or 254786 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2293047 is about 1514.2810175129. The cubic root of 2293047 is about 131.8674633879.

Adding to 2293047 its reverse (7403922), we get a palindrome (9696969).

The spelling of 2293047 in words is "two million, two hundred ninety-three thousand, forty-seven".

Divisors: 1 3 9 254783 764349 2293047