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88119021 = 329373007
BaseRepresentation
bin1010100000010…
…01011011101101
320010210220120110
411100021123231
5140024302041
612424410233
72116666524
oct520113355
9203726513
1088119021
1145817141
1225616979
1315343a43
14b9bb4bb
157b09516
hex54096ed

88119021 has 4 divisors (see below), whose sum is σ = 117492032. Its totient is φ = 58746012.

The previous prime is 88119001. The next prime is 88119029. The reversal of 88119021 is 12091188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 88119021 - 222 = 83924717 is a prime.

It is a super-3 number, since 3×881190213 (a number of 25 digits) contains 333 as substring.

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 88119021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88119029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14686501 + ... + 14686506.

It is an arithmetic number, because the mean of its divisors is an integer number (29373008).

Almost surely, 288119021 is an apocalyptic number.

It is an amenable number.

88119021 is a deficient number, since it is larger than the sum of its proper divisors (29373011).

88119021 is a wasteful number, since it uses less digits than its factorization.

88119021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29373010.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 88119021 is about 9387.1732166824. The cubic root of 88119021 is about 444.9964583314.

The spelling of 88119021 in words is "eighty-eight million, one hundred nineteen thousand, twenty-one".

Divisors: 1 3 29373007 88119021