Search a number
-
+
49102863 = 316367621
BaseRepresentation
bin1011101101010…
…0000000001111
310102101200110120
42323110000033
5100032242423
64512240023
71134240015
oct273240017
9112350416
1049102863
1125798787
1214540013
13a232c64
1467428b5
15449dee3
hex2ed400f

49102863 has 4 divisors (see below), whose sum is σ = 65470488. Its totient is φ = 32735240.

The previous prime is 49102847. The next prime is 49102873. The reversal of 49102863 is 36820194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49102863 - 24 = 49102847 is a prime.

It is a super-2 number, since 2×491028632 = 4822182309593538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49102873) 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, 8183808 + ... + 8183813.

It is an arithmetic number, because the mean of its divisors is an integer number (16367622).

Almost surely, 249102863 is an apocalyptic number.

49102863 is a deficient number, since it is larger than the sum of its proper divisors (16367625).

49102863 is a wasteful number, since it uses less digits than its factorization.

49102863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16367624.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 49102863 is about 7007.3435052094. The cubic root of 49102863 is about 366.1864513286.

The spelling of 49102863 in words is "forty-nine million, one hundred two thousand, eight hundred sixty-three".

Divisors: 1 3 16367621 49102863