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2249392387 = 111923467941
BaseRepresentation
bin1000011000010011…
…0000000100000011
312210202121222021011
42012010300010003
514101321024022
61011112141351
7106512343204
oct20604600403
95722558234
102249392387
11a547a5880
12529397857
1329b036318
14174a575ab
15d2726977
hex86130103

2249392387 has 16 divisors (see below), whose sum is σ = 2695345920. Its totient is φ = 1853042400.

The previous prime is 2249392367. The next prime is 2249392391. The reversal of 2249392387 is 7832939422.

It is a de Polignac number, because none of the positive numbers 2k-2249392387 is a prime.

It is a super-2 number, since 2×22493923872 = 10119532221387115538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2249392387.

It is not an unprimeable number, because it can be changed into a prime (2249392367) 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, 229164 + ... + 238777.

It is an arithmetic number, because the mean of its divisors is an integer number (168459120).

Almost surely, 22249392387 is an apocalyptic number.

2249392387 is a deficient number, since it is larger than the sum of its proper divisors (445953533).

2249392387 is a wasteful number, since it uses less digits than its factorization.

2249392387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467994.

The product of its digits is 1306368, while the sum is 49.

The square root of 2249392387 is about 47427.7596666762. The cubic root of 2249392387 is about 1310.2527311856.

The spelling of 2249392387 in words is "two billion, two hundred forty-nine million, three hundred ninety-two thousand, three hundred eighty-seven".

Divisors: 1 11 19 23 209 253 437 4807 467941 5147351 8890879 10762643 97799669 118389073 204490217 2249392387