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2428732 = 221931957
BaseRepresentation
bin1001010000111100111100
311120101121001
421100330330
51110204412
6124020044
726433565
oct11207474
94511531
102428732
111409819
12991624
13670627
1447316c
1532e957
hex250f3c

2428732 has 12 divisors (see below), whose sum is σ = 4474120. Its totient is φ = 1150416.

The previous prime is 2428729. The next prime is 2428733. The reversal of 2428732 is 2378242.

2428732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2428732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15903 + ... + 16054.

22428732 is an apocalyptic number.

It is an amenable number.

2428732 is a deficient number, since it is larger than the sum of its proper divisors (2045388).

2428732 is a wasteful number, since it uses less digits than its factorization.

2428732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31980 (or 31978 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 2428732 is about 1558.4389625520. The cubic root of 2428732 is about 134.4187538787.

It can be divided in two parts, 2428 and 732, that added together give a triangular number (3160 = T79).

The spelling of 2428732 in words is "two million, four hundred twenty-eight thousand, seven hundred thirty-two".

Divisors: 1 2 4 19 38 76 31957 63914 127828 607183 1214366 2428732