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2524420 = 2251131117
BaseRepresentation
bin1001101000010100000100
311202020212001
421220110010
51121240140
6130035044
730312553
oct11502404
94666761
102524420
1114746a8
12a18a84
136a5052
14499d9a
1534ce9a
hex268504

2524420 has 24 divisors (see below), whose sum is σ = 5352984. Its totient is φ = 999936.

The previous prime is 2524393. The next prime is 2524429. The reversal of 2524420 is 244252.

It can be written as a sum of positive squares in 4 ways, for example, as 207936 + 2316484 = 456^2 + 1522^2 .

It is not an unprimeable number, because it can be changed into a prime (2524429) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1702 + ... + 2818.

It is an arithmetic number, because the mean of its divisors is an integer number (223041).

22524420 is an apocalyptic number.

2524420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2524420 is an abundant number, since it is smaller than the sum of its proper divisors (2828564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2524420 is a wasteful number, since it uses less digits than its factorization.

2524420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2524420 is about 1588.8423458607. The cubic root of 2524420 is about 136.1613569256.

Adding to 2524420 its reverse (244252), we get a palindrome (2768672).

The spelling of 2524420 in words is "two million, five hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1117 1130 2234 2260 4468 5585 11170 22340 126221 252442 504884 631105 1262210 2524420