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88425681 = 3201114657
BaseRepresentation
bin1010100010101…
…00010011010001
320011101111020020
411101110103101
5140114110211
612435134053
72122414551
oct521242321
9204344206
1088425681
1145a06583
1225744329
13154204b6
14ba5b161
157b6a306
hex54544d1

88425681 has 8 divisors (see below), whose sum is σ = 117967584. Its totient is φ = 58917120.

The previous prime is 88425647. The next prime is 88425709. The reversal of 88425681 is 18652488.

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

It is not a de Polignac number, because 88425681 - 213 = 88417489 is a prime.

It is a super-2 number, since 2×884256812 = 15638202120627522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88425641) 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 7 ways as a sum of consecutive naturals, for example, 1296 + ... + 13361.

It is an arithmetic number, because the mean of its divisors is an integer number (14745948).

Almost surely, 288425681 is an apocalyptic number.

It is an amenable number.

88425681 is a deficient number, since it is larger than the sum of its proper divisors (29541903).

88425681 is a wasteful number, since it uses less digits than its factorization.

88425681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16671.

The product of its digits is 122880, while the sum is 42.

The square root of 88425681 is about 9403.4930212129. The cubic root of 88425681 is about 445.5120663431.

It can be divided in two parts, 884 and 25681, that added together give a triangular number (26565 = T230).

The spelling of 88425681 in words is "eighty-eight million, four hundred twenty-five thousand, six hundred eighty-one".

Divisors: 1 3 2011 6033 14657 43971 29475227 88425681