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88421441 = 671319723
BaseRepresentation
bin1010100010100…
…11010001000001
320011101021102012
411101103101001
5140113441231
612435102305
72122366313
oct521232101
9204337365
1088421441
1145a03379
1225741995
131541b5a4
14ba597b3
157b68e2b
hex5453441

88421441 has 4 divisors (see below), whose sum is σ = 89741232. Its totient is φ = 87101652.

The previous prime is 88421423. The next prime is 88421467. The reversal of 88421441 is 14412488.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88421441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88421398 and 88421407.

It is not an unprimeable number, because it can be changed into a prime (88421401) 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, 659795 + ... + 659928.

It is an arithmetic number, because the mean of its divisors is an integer number (22435308).

Almost surely, 288421441 is an apocalyptic number.

It is an amenable number.

88421441 is a deficient number, since it is larger than the sum of its proper divisors (1319791).

88421441 is a wasteful number, since it uses less digits than its factorization.

88421441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319790.

The product of its digits is 8192, while the sum is 32.

The square root of 88421441 is about 9403.2675703715. The cubic root of 88421441 is about 445.5049454806.

The spelling of 88421441 in words is "eighty-eight million, four hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 67 1319723 88421441