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42893329 = 1712292053
BaseRepresentation
bin1010001110100…
…0000000010001
32222201012120211
42203220000101
541440041304
64131204121
71030405303
oct243500021
988635524
1042893329
1122237436
1212446641
138b6a78b
1459a7973
153b74204
hex28e8011

42893329 has 8 divisors (see below), whose sum is σ = 45475560. Its totient is φ = 40317696.

The previous prime is 42893327. The next prime is 42893341. The reversal of 42893329 is 92339824.

It can be written as a sum of positive squares in 4 ways, for example, as 25654225 + 17239104 = 5065^2 + 4152^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42893329 - 21 = 42893327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42893291 and 42893300.

It is not an unprimeable number, because it can be changed into a prime (42893327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19867 + ... + 21919.

It is an arithmetic number, because the mean of its divisors is an integer number (5684445).

Almost surely, 242893329 is an apocalyptic number.

It is an amenable number.

42893329 is a deficient number, since it is larger than the sum of its proper divisors (2582231).

42893329 is a wasteful number, since it uses less digits than its factorization.

42893329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299.

The product of its digits is 93312, while the sum is 40.

The square root of 42893329 is about 6549.2998862474. The cubic root of 42893329 is about 350.0498677245.

The spelling of 42893329 in words is "forty-two million, eight hundred ninety-three thousand, three hundred twenty-nine".

Divisors: 1 17 1229 2053 20893 34901 2523137 42893329