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2491250052 = 223207604171
BaseRepresentation
bin1001010001111101…
…0111010110000100
320102121201121121110
42110133113112010
520100230000202
61051112045020
7115510163454
oct22437272604
96377647543
102491250052
111069278045
12596393770
13309187875
14198c13d64
15e8a9d26c
hex947d7584

2491250052 has 12 divisors (see below), whose sum is σ = 5812916816. Its totient is φ = 830416680.

The previous prime is 2491250011. The next prime is 2491250053. The reversal of 2491250052 is 2500521942.

2491250052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2491250053) 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, 103802074 + ... + 103802097.

Almost surely, 22491250052 is an apocalyptic number.

It is an amenable number.

2491250052 is an abundant number, since it is smaller than the sum of its proper divisors (3321666764).

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

2491250052 is a wasteful number, since it uses less digits than its factorization.

2491250052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207604178 (or 207604176 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2491250052 is about 49912.4238241342. The cubic root of 2491250052 is about 1355.6235565407.

Adding to 2491250052 its reverse (2500521942), we get a palindrome (4991771994).

The spelling of 2491250052 in words is "two billion, four hundred ninety-one million, two hundred fifty thousand, fifty-two".

Divisors: 1 2 3 4 6 12 207604171 415208342 622812513 830416684 1245625026 2491250052