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88421100 = 22352476271
BaseRepresentation
bin1010100010100…
…11001011101100
320011101020221120
411101103023230
5140113433400
612435100540
72122365315
oct521231354
9204336846
1088421100
1145a03099
1225741750
131541b3a1
14ba5960c
157b68ca0
hex54532ec

88421100 has 72 divisors (see below), whose sum is σ = 261316608. Its totient is φ = 23073600.

The previous prime is 88421093. The next prime is 88421101. The reversal of 88421100 is 112488.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (88421101) 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 23 ways as a sum of consecutive naturals, for example, 10965 + ... + 17235.

Almost surely, 288421100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130658304).

88421100 is an abundant number, since it is smaller than the sum of its proper divisors (172895508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88421100 is a wasteful number, since it uses less digits than its factorization.

88421100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335 (or 6328 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 88421100 is about 9403.2494383591. The cubic root of 88421100 is about 445.5043727787.

Adding to 88421100 its reverse (112488), we get a palindrome (88533588).

The spelling of 88421100 in words is "eighty-eight million, four hundred twenty-one thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 47 50 60 75 94 100 141 150 188 235 282 300 470 564 705 940 1175 1410 2350 2820 3525 4700 6271 7050 12542 14100 18813 25084 31355 37626 62710 75252 94065 125420 156775 188130 294737 313550 376260 470325 589474 627100 884211 940650 1178948 1473685 1768422 1881300 2947370 3536844 4421055 5894740 7368425 8842110 14736850 17684220 22105275 29473700 44210550 88421100