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2520164 = 221574013
BaseRepresentation
bin1001100111010001100100
311202001000102
421213101210
51121121124
6130003232
730264263
oct11472144
94661012
102520164
111471489
12a16518
136a312a
144985da
1534baae
hex267464

2520164 has 12 divisors (see below), whose sum is σ = 4439484. Its totient is φ = 1251744.

The previous prime is 2520151. The next prime is 2520169. The reversal of 2520164 is 4610252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1459264 + 1060900 = 1208^2 + 1030^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520169) 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, 1379 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (369957).

22520164 is an apocalyptic number.

It is an amenable number.

2520164 is a deficient number, since it is larger than the sum of its proper divisors (1919320).

2520164 is a wasteful number, since it uses less digits than its factorization.

2520164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174 (or 4172 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2520164 is about 1587.5024409430. The cubic root of 2520164 is about 136.0847942950.

It can be divided in two parts, 25 and 20164, that multiplied together give a square (504100 = 7102).

The spelling of 2520164 in words is "two million, five hundred twenty thousand, one hundred sixty-four".

Divisors: 1 2 4 157 314 628 4013 8026 16052 630041 1260082 2520164