Search a number
-
+
88991104 = 27695243
BaseRepresentation
bin1010100110111…
…10010110000000
320012110012211211
411103132112000
5140240203404
612455215504
72130261166
oct523362600
9205405754
1088991104
1146262374
1225977594
131558a977
14bb67236
157c2cb04
hex54de580

88991104 has 16 divisors (see below), whose sum is σ = 177287220. Its totient is φ = 44495488.

The previous prime is 88991101. The next prime is 88991113. The reversal of 88991104 is 40119988.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×889911042 = 15838833182277632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88991101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347494 + ... + 347749.

Almost surely, 288991104 is an apocalyptic number.

It is an amenable number.

88991104 is a deficient number, since it is larger than the sum of its proper divisors (88296116).

88991104 is an equidigital number, since it uses as much as digits as its factorization.

88991104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695257 (or 695245 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 88991104 is about 9433.5096332171. The cubic root of 88991104 is about 446.4596332679.

The spelling of 88991104 in words is "eighty-eight million, nine hundred ninety-one thousand, one hundred four".

Divisors: 1 2 4 8 16 32 64 128 695243 1390486 2780972 5561944 11123888 22247776 44495552 88991104