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88894109 = 412168149
BaseRepresentation
bin1010100110001…
…10101010011101
320012021021210102
411103012222131
5140224102414
612453150445
72126405333
oct523065235
9205237712
1088894109
11461a6507
122592b425
1315555785
14bb3db53
157c0dede
hex54c6a9d

88894109 has 4 divisors (see below), whose sum is σ = 91062300. Its totient is φ = 86725920.

The previous prime is 88894097. The next prime is 88894121. The reversal of 88894109 is 90149888.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (88894097) and next prime (88894121).

It can be written as a sum of positive squares in 2 ways, for example, as 14417209 + 74476900 = 3797^2 + 8630^2 .

It is a cyclic number.

It is not a de Polignac number, because 88894109 - 28 = 88893853 is a prime.

It is a super-2 number, since 2×888941092 = 15804325229807762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88894129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084034 + ... + 1084115.

It is an arithmetic number, because the mean of its divisors is an integer number (22765575).

Almost surely, 288894109 is an apocalyptic number.

It is an amenable number.

88894109 is a deficient number, since it is larger than the sum of its proper divisors (2168191).

88894109 is a wasteful number, since it uses less digits than its factorization.

88894109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168190.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 88894109 is about 9428.3672499537. The cubic root of 88894109 is about 446.2973695031.

The spelling of 88894109 in words is "eighty-eight million, eight hundred ninety-four thousand, one hundred nine".

Divisors: 1 41 2168149 88894109