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2552209144 = 23319026143
BaseRepresentation
bin1001100000011111…
…1001111011111000
320120212102122202121
42120013321323320
520211331143034
61101130411024
7120150263662
oct23007717370
96525378677
102552209144
11109a723561
125b2890a74
133189ac234
141a2d61532
15ee0e01b4
hex981f9ef8

2552209144 has 8 divisors (see below), whose sum is σ = 4785392160. Its totient is φ = 1276104568.

The previous prime is 2552209109. The next prime is 2552209147. The reversal of 2552209144 is 4419022552.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552209147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159513064 + ... + 159513079.

It is an arithmetic number, because the mean of its divisors is an integer number (598174020).

Almost surely, 22552209144 is an apocalyptic number.

It is an amenable number.

2552209144 is a deficient number, since it is larger than the sum of its proper divisors (2233183016).

2552209144 is a wasteful number, since it uses less digits than its factorization.

2552209144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319026149 (or 319026145 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2552209144 is about 50519.3937414138. The cubic root of 2552209144 is about 1366.5916204941.

The spelling of 2552209144 in words is "two billion, five hundred fifty-two million, two hundred nine thousand, one hundred forty-four".

Divisors: 1 2 4 8 319026143 638052286 1276104572 2552209144