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2152424 = 231132381
BaseRepresentation
bin1000001101011111101000
311001100120102
420031133220
51022334144
6114044532
724203201
oct10153750
94040512
102152424
11124016a
12879748
135a4931
144005a8
152c7b4e
hex20d7e8

2152424 has 16 divisors (see below), whose sum is σ = 4073220. Its totient is φ = 1066240.

The previous prime is 2152399. The next prime is 2152427. The reversal of 2152424 is 4242512.

It is a happy number.

2152424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 902500 = 1118^2 + 950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2152396 and 2152405.

It is not an unprimeable number, because it can be changed into a prime (2152427) 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, 287 + ... + 2094.

22152424 is an apocalyptic number.

It is an amenable number.

2152424 is a deficient number, since it is larger than the sum of its proper divisors (1920796).

2152424 is a wasteful number, since it uses less digits than its factorization.

2152424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2496 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 2152424 is about 1467.1141741528. The cubic root of 2152424 is about 129.1147747620.

Adding to 2152424 its reverse (4242512), we get a palindrome (6394936).

The spelling of 2152424 in words is "two million, one hundred fifty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 113 226 452 904 2381 4762 9524 19048 269053 538106 1076212 2152424