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2572424 = 23321553
BaseRepresentation
bin1001110100000010001000
311211200200222
421310002020
51124304144
6131045212
730602531
oct11640210
94750628
102572424
1114a7778
12a40808
136c0b5a
144ad688
1535c2ee
hex274088

2572424 has 8 divisors (see below), whose sum is σ = 4823310. Its totient is φ = 1286208.

The previous prime is 2572421. The next prime is 2572433. The reversal of 2572424 is 4242752.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 1249924 = 1150^2 + 1118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 210 + 58 + 75 + 216 + 44 + 221 + 45 .

It is a junction number, because it is equal to n+sod(n) for n = 2572393 and 2572402.

It is not an unprimeable number, because it can be changed into a prime (2572421) 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 as a sum of consecutive naturals, namely, 160769 + ... + 160784.

22572424 is an apocalyptic number.

It is an amenable number.

2572424 is a deficient number, since it is larger than the sum of its proper divisors (2250886).

2572424 is a wasteful number, since it uses less digits than its factorization.

2572424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321559 (or 321555 counting only the distinct ones).

The product of its digits is 4480, while the sum is 26.

The square root of 2572424 is about 1603.8778008315. The cubic root of 2572424 is about 137.0190180855.

The spelling of 2572424 in words is "two million, five hundred seventy-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 321553 643106 1286212 2572424