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88990028 = 2222247507
BaseRepresentation
bin1010100110111…
…10000101001100
320012110011100222
411103132011030
5140240140103
612455210512
72130255101
oct523360514
9205404328
1088990028
1146261586
1225976a38
131558a32a
14bb66aa8
157c2c638
hex54de14c

88990028 has 6 divisors (see below), whose sum is σ = 155732556. Its totient is φ = 44495012.

The previous prime is 88989991. The next prime is 88990039. The reversal of 88990028 is 82009988.

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 as a sum of consecutive naturals, namely, 11123750 + ... + 11123757.

It is an arithmetic number, because the mean of its divisors is an integer number (25955426).

Almost surely, 288990028 is an apocalyptic number.

It is an amenable number.

88990028 is a deficient number, since it is larger than the sum of its proper divisors (66742528).

88990028 is a wasteful number, since it uses less digits than its factorization.

88990028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22247511 (or 22247509 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 88990028 is about 9433.4526023084. The cubic root of 88990028 is about 446.4578338652.

The spelling of 88990028 in words is "eighty-eight million, nine hundred ninety thousand, twenty-eight".

Divisors: 1 2 4 22247507 44495014 88990028