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2279424 = 2113753
BaseRepresentation
bin1000101100100000000000
311021210210010
420230200000
51040420144
6120504520
725242360
oct10544000
94253703
102279424
111317624
1291b140
1361a694
144349a0
153005b9
hex22c800

2279424 has 96 divisors (see below), whose sum is σ = 7076160. Its totient is φ = 638976.

The previous prime is 2279423. The next prime is 2279447. The reversal of 2279424 is 4249722.

It is a tau number, because it is divible by the number of its divisors (96).

It is a d-powerful number, because it can be written as 213 + 215 + 73 + 95 + 47 + 221 + 48 .

It is a junction number, because it is equal to n+sod(n) for n = 2279391 and 2279400.

It is not an unprimeable number, because it can be changed into a prime (2279423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42982 + ... + 43034.

It is an arithmetic number, because the mean of its divisors is an integer number (73710).

22279424 is an apocalyptic number.

2279424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2279424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3538080).

2279424 is an abundant number, since it is smaller than the sum of its proper divisors (4796736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2279424 is an equidigital number, since it uses as much as digits as its factorization.

2279424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 65 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 2279424 is about 1509.7761423469. The cubic root of 2279424 is about 131.6058028440.

The spelling of 2279424 in words is "two million, two hundred seventy-nine thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 53 56 64 84 96 106 112 128 159 168 192 212 224 256 318 336 371 384 424 448 512 636 672 742 768 848 896 1024 1113 1272 1344 1484 1536 1696 1792 2048 2226 2544 2688 2968 3072 3392 3584 4452 5088 5376 5936 6144 6784 7168 8904 10176 10752 11872 13568 14336 17808 20352 21504 23744 27136 35616 40704 43008 47488 54272 71232 81408 94976 108544 142464 162816 189952 284928 325632 379904 569856 759808 1139712 2279424