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49730969 = 291714861
BaseRepresentation
bin1011110110110…
…1010110011001
310110120121001202
42331231112121
5100212342334
64533523545
71142464151
oct275552631
9113517052
1049730969
1126087682
12147a35b5
13a3c2b12
146867761
15457517e
hex2f6d599

49730969 has 4 divisors (see below), whose sum is σ = 51445860. Its totient is φ = 48016080.

The previous prime is 49730963. The next prime is 49730977. The reversal of 49730969 is 96903794.

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 29300569 + 20430400 = 5413^2 + 4520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49730969 is a prime.

It is a super-2 number, since 2×497309692 = 4946338555357922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49730963) 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, 857402 + ... + 857459.

It is an arithmetic number, because the mean of its divisors is an integer number (12861465).

Almost surely, 249730969 is an apocalyptic number.

It is an amenable number.

49730969 is a deficient number, since it is larger than the sum of its proper divisors (1714891).

49730969 is a wasteful number, since it uses less digits than its factorization.

49730969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714890.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 49730969 is about 7052.0187889710. The cubic root of 49730969 is about 367.7412154494.

The spelling of 49730969 in words is "forty-nine million, seven hundred thirty thousand, nine hundred sixty-nine".

Divisors: 1 29 1714861 49730969