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88988293 = 372405089
BaseRepresentation
bin1010100110111…
…01101010000101
320012110001222201
411103131222011
5140240111133
612455154501
72130250042
oct523355205
9205401881
1088988293
1146260249
1225975a31
13155895c4
14bb661c9
157c2bd7d
hex54dda85

88988293 has 4 divisors (see below), whose sum is σ = 91393420. Its totient is φ = 86583168.

The previous prime is 88988287. The next prime is 88988303. The reversal of 88988293 is 39288988.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82029249 + 6959044 = 9057^2 + 2638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88988293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88988233) 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, 1202508 + ... + 1202581.

It is an arithmetic number, because the mean of its divisors is an integer number (22848355).

Almost surely, 288988293 is an apocalyptic number.

It is an amenable number.

88988293 is a deficient number, since it is larger than the sum of its proper divisors (2405127).

88988293 is a wasteful number, since it uses less digits than its factorization.

88988293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405126.

The product of its digits is 1990656, while the sum is 55.

The square root of 88988293 is about 9433.3606418922. The cubic root of 88988293 is about 446.4549323814.

The spelling of 88988293 in words is "eighty-eight million, nine hundred eighty-eight thousand, two hundred ninety-three".

Divisors: 1 37 2405089 88988293