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2388872 = 232312983
BaseRepresentation
bin1001000111001110001000
311111100220202
421013032020
51102420442
6123111332
726206433
oct11071610
94440822
102388872
111391882
12972548
13658445
1446281a
15322c32
hex247388

2388872 has 16 divisors (see below), whose sum is σ = 4674240. Its totient is φ = 1142416.

The previous prime is 2388871. The next prime is 2388877. The reversal of 2388872 is 2788832.

It is an Ulam number.

It is a d-powerful number, because it can be written as 211 + 38 + 82 + 84 + 86 + 75 + 221 .

It is not an unprimeable number, because it can be changed into a prime (2388871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6308 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (292140).

22388872 is an apocalyptic number.

It is an amenable number.

2388872 is a deficient number, since it is larger than the sum of its proper divisors (2285368).

2388872 is a wasteful number, since it uses less digits than its factorization.

2388872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13012 (or 13008 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 2388872 is about 1545.5976190458. The cubic root of 2388872 is about 133.6793402065.

It can be divided in two parts, 238887 and 2, that multiplied together give a palindrome (477774).

The spelling of 2388872 in words is "two million, three hundred eighty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 23 46 92 184 12983 25966 51932 103864 298609 597218 1194436 2388872