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88871225 = 5229373313
BaseRepresentation
bin1010100110000…
…01000100111001
320012020010101212
411103001010321
5140222334400
612452452505
72126251532
oct523010471
9205203355
1088871225
11461902a3
122591a135
1315548231
14bb35689
157c07335
hex54c1139

88871225 has 24 divisors (see below), whose sum is σ = 117116760. Its totient is φ = 66769920.

The previous prime is 88871207. The next prime is 88871249. The reversal of 88871225 is 52217888.

It can be written as a sum of positive squares in 12 ways, for example, as 153664 + 88717561 = 392^2 + 9419^2 .

It is not a de Polignac number, because 88871225 - 26 = 88871161 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 25169 + ... + 28481.

It is an arithmetic number, because the mean of its divisors is an integer number (4879865).

Almost surely, 288871225 is an apocalyptic number.

It is an amenable number.

88871225 is a deficient number, since it is larger than the sum of its proper divisors (28245535).

88871225 is a wasteful number, since it uses less digits than its factorization.

88871225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389 (or 3384 counting only the distinct ones).

The product of its digits is 71680, while the sum is 41.

The square root of 88871225 is about 9427.1536001064. The cubic root of 88871225 is about 446.2590694566.

The spelling of 88871225 in words is "eighty-eight million, eight hundred seventy-one thousand, two hundred twenty-five".

Divisors: 1 5 25 29 37 145 185 725 925 1073 3313 5365 16565 26825 82825 96077 122581 480385 612905 2401925 3064525 3554849 17774245 88871225