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2288949 = 313193089
BaseRepresentation
bin1000101110110100110101
311022021211220
420232310311
51041221244
6121020553
725312215
oct10566465
94267756
102288949
1113237a3
12924759
13621b10
14438245
15303319
hex22ed35

2288949 has 16 divisors (see below), whose sum is σ = 3460800. Its totient is φ = 1334016.

The previous prime is 2288939. The next prime is 2288953. The reversal of 2288949 is 9498822.

It is not a de Polignac number, because 2288949 - 27 = 2288821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2288949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804 + ... + 2285.

It is an arithmetic number, because the mean of its divisors is an integer number (216300).

22288949 is an apocalyptic number.

It is an amenable number.

2288949 is a deficient number, since it is larger than the sum of its proper divisors (1171851).

2288949 is a wasteful number, since it uses less digits than its factorization.

2288949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124.

The product of its digits is 82944, while the sum is 42.

The square root of 2288949 is about 1512.9272950145. The cubic root of 2288949 is about 131.7888612623.

The spelling of 2288949 in words is "two million, two hundred eighty-eight thousand, nine hundred forty-nine".

Divisors: 1 3 13 19 39 57 247 741 3089 9267 40157 58691 120471 176073 762983 2288949