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4015252 = 221496737
BaseRepresentation
bin1111010100010010010100
321112222220001
433110102110
52011442002
6222021044
746062163
oct17242224
97488801
104015252
1122a279a
121417784
13aa77b7
147673da
15544a87
hex3d4494

4015252 has 12 divisors (see below), whose sum is σ = 7074900. Its totient is φ = 1993856.

The previous prime is 4015237. The next prime is 4015259. The reversal of 4015252 is 2525104.

It can be written as a sum of positive squares in 2 ways, for example, as 1179396 + 2835856 = 1086^2 + 1684^2 .

It is a super-2 number, since 2×40152522 = 32244497247008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015259) 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, 2773 + ... + 3964.

It is an arithmetic number, because the mean of its divisors is an integer number (589575).

Almost surely, 24015252 is an apocalyptic number.

It is an amenable number.

4015252 is a deficient number, since it is larger than the sum of its proper divisors (3059648).

4015252 is a wasteful number, since it uses less digits than its factorization.

4015252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890 (or 6888 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4015252 is about 2003.8093721709. The cubic root of 4015252 is about 158.9416079771.

It can be divided in two parts, 40152 and 52, that added together give a palindrome (40204).

The spelling of 4015252 in words is "four million, fifteen thousand, two hundred fifty-two".

Divisors: 1 2 4 149 298 596 6737 13474 26948 1003813 2007626 4015252