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49730289 = 372368109
BaseRepresentation
bin1011110110110…
…1001011110001
310110120120010120
42331231023301
5100212332124
64533520453
71142462160
oct275551361
9113516116
1049730289
1126087114
12147a3129
13a3c270b
1468673d7
154574d79
hex2f6d2f1

49730289 has 8 divisors (see below), whose sum is σ = 75779520. Its totient is φ = 28417296.

The previous prime is 49730267. The next prime is 49730309. The reversal of 49730289 is 98203794.

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

It is not a de Polignac number, because 49730289 - 211 = 49728241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49730289.

It is not an unprimeable number, because it can be changed into a prime (49730249) 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, 1184034 + ... + 1184075.

It is an arithmetic number, because the mean of its divisors is an integer number (9472440).

Almost surely, 249730289 is an apocalyptic number.

It is an amenable number.

49730289 is a deficient number, since it is larger than the sum of its proper divisors (26049231).

49730289 is a wasteful number, since it uses less digits than its factorization.

49730289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368119.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 49730289 is about 7051.9705756618. The cubic root of 49730289 is about 367.7395393297.

The spelling of 49730289 in words is "forty-nine million, seven hundred thirty thousand, two hundred eighty-nine".

Divisors: 1 3 7 21 2368109 7104327 16576763 49730289