Search a number
-
+
49937289 = 3531272473
BaseRepresentation
bin1011111001111…
…1101110001001
310110222002002020
42332133232021
5100240443124
64542155053
71144313523
oct276375611
9113862066
1049937289
1126208696
1214882a89
13a4659bc
1468bca13
1545b6379
hex2f9fb89

49937289 has 16 divisors (see below), whose sum is σ = 68401152. Its totient is φ = 32393088.

The previous prime is 49937281. The next prime is 49937297. The reversal of 49937289 is 98273994.

It is an interprime number because it is at equal distance from previous prime (49937281) and next prime (49937297).

It is not a de Polignac number, because 49937289 - 23 = 49937281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49937281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18957 + ... + 21429.

It is an arithmetic number, because the mean of its divisors is an integer number (4275072).

Almost surely, 249937289 is an apocalyptic number.

It is an amenable number.

49937289 is a deficient number, since it is larger than the sum of its proper divisors (18463863).

49937289 is a wasteful number, since it uses less digits than its factorization.

49937289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656.

The product of its digits is 979776, while the sum is 51.

The square root of 49937289 is about 7066.6320832487. The cubic root of 49937289 is about 368.2490658948.

The spelling of 49937289 in words is "forty-nine million, nine hundred thirty-seven thousand, two hundred eighty-nine".

Divisors: 1 3 53 127 159 381 2473 6731 7419 20193 131069 314071 393207 942213 16645763 49937289