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88828880 = 24571271249
BaseRepresentation
bin1010100101101…
…10101111010000
320012010222022112
411102312233100
5140220011010
612451524452
72126014220
oct522665720
9205128275
1088828880
11461614a8
12258b9728
1315531b8a
14bb24080
157be9a05
hex54b6bd0

88828880 has 80 divisors (see below), whose sum is σ = 238080000. Its totient is φ = 30191616.

The previous prime is 88828879. The next prime is 88828903. The reversal of 88828880 is 8882888.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×888288803 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70496 + ... + 71744.

It is an arithmetic number, because the mean of its divisors is an integer number (2976000).

Almost surely, 288828880 is an apocalyptic number.

88828880 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 88828880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119040000).

88828880 is an abundant number, since it is smaller than the sum of its proper divisors (149251120).

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

88828880 is a wasteful number, since it uses less digits than its factorization.

88828880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 50.

The square root of 88828880 is about 9424.9074266011. The cubic root of 88828880 is about 446.1881809608.

The spelling of 88828880 in words is "eighty-eight million, eight hundred twenty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 127 140 254 280 508 560 635 889 1016 1249 1270 1778 2032 2498 2540 3556 4445 4996 5080 6245 7112 8743 8890 9992 10160 12490 14224 17486 17780 19984 24980 34972 35560 43715 49960 69944 71120 87430 99920 139888 158623 174860 317246 349720 634492 699440 793115 1110361 1268984 1586230 2220722 2537968 3172460 4441444 5551805 6344920 8882888 11103610 12689840 17765776 22207220 44414440 88828880