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2742248 = 23794339
BaseRepresentation
bin1010011101011111101000
312011022122202
422131133220
51200222443
6134435332
732210615
oct12353750
95138582
102742248
111603323
12b02b48
13750242
1451550c
153927b8
hex29d7e8

2742248 has 16 divisors (see below), whose sum is σ = 5208000. Its totient is φ = 1353456.

The previous prime is 2742247. The next prime is 2742263. The reversal of 2742248 is 8422472.

It is a self number, because there is not a number n which added to its sum of digits gives 2742248.

It is not an unprimeable number, because it can be changed into a prime (2742241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538 + ... + 2801.

It is an arithmetic number, because the mean of its divisors is an integer number (325500).

22742248 is an apocalyptic number.

It is an amenable number.

2742248 is a deficient number, since it is larger than the sum of its proper divisors (2465752).

2742248 is a wasteful number, since it uses less digits than its factorization.

2742248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424 (or 4420 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 2742248 is about 1655.9734297385. The cubic root of 2742248 is about 139.9701977380.

The spelling of 2742248 in words is "two million, seven hundred forty-two thousand, two hundred forty-eight".

Divisors: 1 2 4 8 79 158 316 632 4339 8678 17356 34712 342781 685562 1371124 2742248