Search a number
-
+
49494127 = 137361271
BaseRepresentation
bin1011110011001…
…1100001101111
310110010120011211
42330303201233
5100132303002
64524455251
71140456514
oct274634157
9113116154
1049494127
1125a35741
12146aa527
13a33c087
14680530b
154529dd7
hex2f3386f

49494127 has 4 divisors (see below), whose sum is σ = 49855536. Its totient is φ = 49132720.

The previous prime is 49494121. The next prime is 49494131. The reversal of 49494127 is 72149494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72149494 = 236074747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49494127 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49494127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49494121) 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, 180499 + ... + 180772.

It is an arithmetic number, because the mean of its divisors is an integer number (12463884).

Almost surely, 249494127 is an apocalyptic number.

49494127 is a deficient number, since it is larger than the sum of its proper divisors (361409).

49494127 is a wasteful number, since it uses less digits than its factorization.

49494127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361408.

The product of its digits is 72576, while the sum is 40.

The square root of 49494127 is about 7035.2062514186. The cubic root of 49494127 is about 367.1565013469.

The spelling of 49494127 in words is "forty-nine million, four hundred ninety-four thousand, one hundred twenty-seven".

Divisors: 1 137 361271 49494127