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2245448 = 23280681
BaseRepresentation
bin1000100100001101001000
311020002011202
420210031020
51033323243
6120043332
725041332
oct10441510
94202152
102245448
1112a4047
12903548
1360808a
14426452
152e54b8
hex224348

2245448 has 8 divisors (see below), whose sum is σ = 4210230. Its totient is φ = 1122720.

The previous prime is 2245429. The next prime is 2245457. The reversal of 2245448 is 8445422.

It can be written as a sum of positive squares in only one way, i.e., 2244004 + 1444 = 1498^2 + 38^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2245448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140333 + ... + 140348.

22245448 is an apocalyptic number.

It is an amenable number.

2245448 is a deficient number, since it is larger than the sum of its proper divisors (1964782).

2245448 is a wasteful number, since it uses less digits than its factorization.

2245448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280687 (or 280683 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 2245448 is about 1498.4818984559. The cubic root of 2245448 is about 130.9486425337.

The spelling of 2245448 in words is "two million, two hundred forty-five thousand, four hundred forty-eight".

Divisors: 1 2 4 8 280681 561362 1122724 2245448