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88709444 = 2222177361
BaseRepresentation
bin1010100100110…
…01100101000100
320011220220110222
411102121211010
5140202200234
612445203512
72125006055
oct522314504
9204826428
1088709444
114608a79a
1225860598
13154bc6c5
14bad272c
157bc442e
hex5499944

88709444 has 6 divisors (see below), whose sum is σ = 155241534. Its totient is φ = 44354720.

The previous prime is 88709443. The next prime is 88709477. The reversal of 88709444 is 44490788.

It can be written as a sum of positive squares in only one way, i.e., 67897600 + 20811844 = 8240^2 + 4562^2 .

It is a junction number, because it is equal to n+sod(n) for n = 88709395 and 88709404.

It is not an unprimeable number, because it can be changed into a prime (88709443) 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 as a sum of consecutive naturals, namely, 11088677 + ... + 11088684.

It is an arithmetic number, because the mean of its divisors is an integer number (25873589).

Almost surely, 288709444 is an apocalyptic number.

It is an amenable number.

88709444 is a deficient number, since it is larger than the sum of its proper divisors (66532090).

88709444 is a wasteful number, since it uses less digits than its factorization.

88709444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22177365 (or 22177363 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 88709444 is about 9418.5691057612. The cubic root of 88709444 is about 445.9881152698.

The spelling of 88709444 in words is "eighty-eight million, seven hundred nine thousand, four hundred forty-four".

Divisors: 1 2 4 22177361 44354722 88709444