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88990284 = 2237415857
BaseRepresentation
bin1010100110111…
…10001001001100
320012110011201110
411103132021030
5140240142114
612455212020
72130255615
oct523361114
9205404643
1088990284
1146261799
1225977010
131558a496
14bb66c0c
157c2c759
hex54de24c

88990284 has 12 divisors (see below), whose sum is σ = 207644024. Its totient is φ = 29663424.

The previous prime is 88990247. The next prime is 88990301. The reversal of 88990284 is 48209988.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3707917 + ... + 3707940.

Almost surely, 288990284 is an apocalyptic number.

It is an amenable number.

88990284 is an abundant number, since it is smaller than the sum of its proper divisors (118653740).

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

88990284 is a wasteful number, since it uses less digits than its factorization.

88990284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7415864 (or 7415862 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 88990284 is about 9433.4661710317. The cubic root of 88990284 is about 446.4582619772.

The spelling of 88990284 in words is "eighty-eight million, nine hundred ninety thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 7415857 14831714 22247571 29663428 44495142 88990284