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88088028 = 22371997569
BaseRepresentation
bin1010100000000…
…01110111011100
320010202100001120
411100001313130
5140022304103
612424010540
72116510260
oct520016734
9203670046
1088088028
11457a5926
1225600a50
13153328c2
14b9b00a0
157b00253
hex5401ddc

88088028 has 96 divisors (see below), whose sum is σ = 250252800. Its totient is φ = 23556096.

The previous prime is 88088027. The next prime is 88088029. The reversal of 88088028 is 82088088.

It is an interprime number because it is at equal distance from previous prime (88088027) and next prime (88088029).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88088027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154528 + ... + 155096.

It is an arithmetic number, because the mean of its divisors is an integer number (2606800).

Almost surely, 288088028 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 88088028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125126400).

88088028 is an abundant number, since it is smaller than the sum of its proper divisors (162164772).

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

88088028 is a wasteful number, since it uses less digits than its factorization.

88088028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 42.

The square root of 88088028 is about 9385.5222550479. The cubic root of 88088028 is about 444.9442812028.

It can be divided in two parts, 8808 and 8028, that added together give a triangular number (16836 = T183).

The spelling of 88088028 in words is "eighty-eight million, eighty-eight thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 97 114 133 194 228 266 291 388 399 532 569 582 679 798 1138 1164 1358 1596 1707 1843 2037 2276 2716 3414 3686 3983 4074 5529 6828 7372 7966 8148 10811 11058 11949 12901 15932 21622 22116 23898 25802 32433 38703 43244 47796 51604 55193 64866 75677 77406 110386 129732 151354 154812 165579 220772 227031 302708 331158 386351 454062 662316 772702 908124 1048667 1159053 1545404 2097334 2318106 3146001 4194668 4636212 6292002 7340669 12584004 14681338 22022007 29362676 44044014 88088028