Search a number
-
+
88603920 = 243251091129
BaseRepresentation
bin1010100011111…
…11110100010000
320011201112201200
411101333310100
5140140311140
612443031200
72124056316
oct521776420
9204645650
1088603920
1146018489
122580b500
1315483672
14baa60b6
157ba3030
hex547fd10

88603920 has 120 divisors (see below), whose sum is σ = 300557400. Its totient is φ = 23390208.

The previous prime is 88603919. The next prime is 88603927. The reversal of 88603920 is 2930688.

It can be written as a sum of positive squares in 4 ways, for example, as 2782224 + 85821696 = 1668^2 + 9264^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (88603927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77916 + ... + 79044.

It is an arithmetic number, because the mean of its divisors is an integer number (2504645).

Almost surely, 288603920 is an apocalyptic number.

88603920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88603920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150278700).

88603920 is an abundant number, since it is smaller than the sum of its proper divisors (211953480).

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

88603920 is a wasteful number, since it uses less digits than its factorization.

88603920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 88603920 is about 9412.9655263365. The cubic root of 88603920 is about 445.8112039171.

The spelling of 88603920 in words is "eighty-eight million, six hundred three thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 109 120 144 180 218 240 327 360 436 545 654 720 872 981 1090 1129 1308 1635 1744 1962 2180 2258 2616 3270 3387 3924 4360 4516 4905 5232 5645 6540 6774 7848 8720 9032 9810 10161 11290 13080 13548 15696 16935 18064 19620 20322 22580 26160 27096 33870 39240 40644 45160 50805 54192 67740 78480 81288 90320 101610 123061 135480 162576 203220 246122 270960 369183 406440 492244 615305 738366 812880 984488 1107549 1230610 1476732 1845915 1968976 2215098 2461220 2953464 3691830 4430196 4922440 5537745 5906928 7383660 8860392 9844880 11075490 14767320 17720784 22150980 29534640 44301960 88603920