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88391339 = 197448687
BaseRepresentation
bin1010100010010…
…11111010101011
320011022202010022
411101023322223
5140112010324
612434311055
72122212461
oct521137253
9204282108
1088391339
11459927a3
122572848b
131540a98a
14ba4c831
157b6005e
hex544beab

88391339 has 4 divisors (see below), whose sum is σ = 88840224. Its totient is φ = 87942456.

The previous prime is 88391327. The next prime is 88391353. The reversal of 88391339 is 93319388.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88391339 - 216 = 88325803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88391339.

It is not an unprimeable number, because it can be changed into a prime (88391399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224147 + ... + 224540.

It is an arithmetic number, because the mean of its divisors is an integer number (22210056).

Almost surely, 288391339 is an apocalyptic number.

88391339 is a deficient number, since it is larger than the sum of its proper divisors (448885).

88391339 is a wasteful number, since it uses less digits than its factorization.

88391339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448884.

The product of its digits is 139968, while the sum is 44.

The square root of 88391339 is about 9401.6668203037. Note that the first 3 decimals coincide. The cubic root of 88391339 is about 445.4543841694.

The spelling of 88391339 in words is "eighty-eight million, three hundred ninety-one thousand, three hundred thirty-nine".

Divisors: 1 197 448687 88391339