[go: up one dir, main page]

Search a number
-
+
49301812 = 2271760779
BaseRepresentation
bin1011110000010…
…0100100110100
310102202210101001
42330010210310
5100110124222
64520413044
71136026030
oct274044464
9112683331
1049301812
11259141aa
1214617184
13a2a2691
1467951c0
1544dce27
hex2f04934

49301812 has 12 divisors (see below), whose sum is σ = 98603680. Its totient is φ = 21129336.

The previous prime is 49301807. The next prime is 49301821. The reversal of 49301812 is 21810394.

It is a happy number.

49301812 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1760779 = 49301812 / (4 + 9 + 3 + 0 + 1 + 8 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880362 + ... + 880417.

Almost surely, 249301812 is an apocalyptic number.

It is an amenable number.

49301812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49301812 is a wasteful number, since it uses less digits than its factorization.

49301812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760790 (or 1760788 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 49301812 is about 7021.5249056028. The cubic root of 49301812 is about 366.6803414551.

The spelling of 49301812 in words is "forty-nine million, three hundred one thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 1760779 3521558 7043116 12325453 24650906 49301812