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92438081 = 234019047
BaseRepresentation
bin1011000001001…
…11111001000001
320102221100012122
411200213321001
5142131004311
613101134025
72201465531
oct540477101
9212840178
1092438081
11481a710a
1226b5a315
13161c68b8
14c3c34c1
1581ae0db
hex5827e41

92438081 has 4 divisors (see below), whose sum is σ = 96457152. Its totient is φ = 88419012.

The previous prime is 92438069. The next prime is 92438083. The reversal of 92438081 is 18083429.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-92438081 is a prime.

It is a super-2 number, since 2×924380812 = 17089597637925122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (92438083) 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, 2009501 + ... + 2009546.

It is an arithmetic number, because the mean of its divisors is an integer number (24114288).

Almost surely, 292438081 is an apocalyptic number.

It is an amenable number.

92438081 is a deficient number, since it is larger than the sum of its proper divisors (4019071).

92438081 is a wasteful number, since it uses less digits than its factorization.

92438081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019070.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 92438081 is about 9614.4724764284. The cubic root of 92438081 is about 452.1511506002.

The spelling of 92438081 in words is "ninety-two million, four hundred thirty-eight thousand, eighty-one".

Divisors: 1 23 4019047 92438081