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42913577 = 78537187
BaseRepresentation
bin1010001110110…
…0111100101001
32222202020100202
42203230330221
541441213302
64131441545
71030521320
oct243547451
988666322
1042913577
1122250673
12124562b5
138b76a65
1459b10b7
153b7a202
hex28ecf29

42913577 has 8 divisors (see below), whose sum is σ = 49108416. Its totient is φ = 36734832.

The previous prime is 42913553. The next prime is 42913583. The reversal of 42913577 is 77531924.

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 42913577 - 26 = 42913513 is a prime.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 42913577.

It is not an unprimeable number, because it can be changed into a prime (42913777) 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, 2378 + ... + 9564.

It is an arithmetic number, because the mean of its divisors is an integer number (6138552).

Almost surely, 242913577 is an apocalyptic number.

It is an amenable number.

42913577 is a deficient number, since it is larger than the sum of its proper divisors (6194839).

42913577 is an equidigital number, since it uses as much as digits as its factorization.

42913577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047.

The product of its digits is 52920, while the sum is 38.

The square root of 42913577 is about 6550.8455179465. The cubic root of 42913577 is about 350.1049399614.

The spelling of 42913577 in words is "forty-two million, nine hundred thirteen thousand, five hundred seventy-seven".

Divisors: 1 7 853 5971 7187 50309 6130511 42913577