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49697249 = 761116387
BaseRepresentation
bin1011110110010…
…1000111100001
310110111212210212
42331211013201
5100210302444
64533103505
71142263640
oct275450741
9113455725
1049697249
1126064308
1214787b95
13a3b0674
146859357
15456a19e
hex2f651e1

49697249 has 8 divisors (see below), whose sum is σ = 57728448. Its totient is φ = 41898960.

The previous prime is 49697243. The next prime is 49697257. The reversal of 49697249 is 94279694.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49697249 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49697197 and 49697206.

It is not an unprimeable number, because it can be changed into a prime (49697243) 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, 57767 + ... + 58620.

It is an arithmetic number, because the mean of its divisors is an integer number (7216056).

Almost surely, 249697249 is an apocalyptic number.

It is an amenable number.

49697249 is a deficient number, since it is larger than the sum of its proper divisors (8031199).

49697249 is a wasteful number, since it uses less digits than its factorization.

49697249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116455.

The product of its digits is 979776, while the sum is 50.

The square root of 49697249 is about 7049.6275788158. The cubic root of 49697249 is about 367.6580812191.

The spelling of 49697249 in words is "forty-nine million, six hundred ninety-seven thousand, two hundred forty-nine".

Divisors: 1 7 61 427 116387 814709 7099607 49697249