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2552578330 = 25255257833
BaseRepresentation
bin1001100000100101…
…0100000100011010
320120220010102012011
42120021110010122
520211430001310
61101142340134
7120153362221
oct23011240432
96526112164
102552578330
11109a955975
125b2a2a64a
13318aab2a3
141a3019cb8
15ee16478a
hex9825411a

2552578330 has 8 divisors (see below), whose sum is σ = 4594641012. Its totient is φ = 1021031328.

The previous prime is 2552578321. The next prime is 2552578331. The reversal of 2552578330 is 338752552.

It can be written as a sum of positive squares in 2 ways, for example, as 2329703289 + 222875041 = 48267^2 + 14929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25525783302 = 13031312261571177800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2552578331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127628907 + ... + 127628926.

Almost surely, 22552578330 is an apocalyptic number.

2552578330 is a deficient number, since it is larger than the sum of its proper divisors (2042062682).

2552578330 is a wasteful number, since it uses less digits than its factorization.

2552578330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255257840.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 2552578330 is about 50523.0475129915. The cubic root of 2552578330 is about 1366.6575114067.

The spelling of 2552578330 in words is "two billion, five hundred fifty-two million, five hundred seventy-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 255257833 510515666 1276289165 2552578330