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2540810084 = 22635202521
BaseRepresentation
bin1001011101110001…
…1010111101100100
320120001222112012012
42113130122331210
520200421410314
61100042213352
7116651346401
oct22734327544
96501875165
102540810084
11109424824a
125aaab4258
1331651a927
141a16352a8
15ed0dc93e
hex9771af64

2540810084 has 6 divisors (see below), whose sum is σ = 4446417654. Its totient is φ = 1270405040.

The previous prime is 2540810071. The next prime is 2540810099. The reversal of 2540810084 is 4800180452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1995587584 + 545222500 = 44672^2 + 23350^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2540810084.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317601257 + ... + 317601264.

It is an arithmetic number, because the mean of its divisors is an integer number (741069609).

Almost surely, 22540810084 is an apocalyptic number.

It is an amenable number.

2540810084 is a deficient number, since it is larger than the sum of its proper divisors (1905607570).

2540810084 is a wasteful number, since it uses less digits than its factorization.

2540810084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635202525 (or 635202523 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 2540810084 is about 50406.4488334578. The cubic root of 2540810084 is about 1364.5540249870.

The spelling of 2540810084 in words is "two billion, five hundred forty million, eight hundred ten thousand, eighty-four".

Divisors: 1 2 4 635202521 1270405042 2540810084