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88230780 = 223251124051
BaseRepresentation
bin1010100001001…
…00101101111100
320011000120212200
411100210231330
5140041341110
612431031500
72120643411
oct520445574
9204016780
1088230780
1145893100
122566b590
1315382881
14ba0a108
157b2c6c0
hex5424b7c

88230780 has 108 divisors (see below), whose sum is σ = 294248136. Its totient is φ = 21384000.

The previous prime is 88230763. The next prime is 88230781. The reversal of 88230780 is 8703288.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88230781) 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 35 ways as a sum of consecutive naturals, for example, 19755 + ... + 23805.

Almost surely, 288230780 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 88230780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147124068).

88230780 is an abundant number, since it is smaller than the sum of its proper divisors (206017356).

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

88230780 is a wasteful number, since it uses less digits than its factorization.

88230780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088 (or 4072 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 88230780 is about 9393.1240809435. The cubic root of 88230780 is about 445.1845045621.

The spelling of 88230780 in words is "eighty-eight million, two hundred thirty thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 121 132 165 180 198 220 242 330 363 396 484 495 605 660 726 990 1089 1210 1452 1815 1980 2178 2420 3630 4051 4356 5445 7260 8102 10890 12153 16204 20255 21780 24306 36459 40510 44561 48612 60765 72918 81020 89122 121530 133683 145836 178244 182295 222805 243060 267366 364590 401049 445610 490171 534732 668415 729180 802098 891220 980342 1336830 1470513 1604196 1960684 2005245 2450855 2673660 2941026 4010490 4411539 4901710 5882052 7352565 8020980 8823078 9803420 14705130 17646156 22057695 29410260 44115390 88230780