Search a number
-
+
49779028 = 2213957289
BaseRepresentation
bin1011110111100…
…1000101010100
310110200000222201
42331321011110
5100220412103
64534534244
71143054235
oct275710524
9113600881
1049779028
112610a7a2
1214807384
13a40b960
14687b08c
15458451d
hex2f79154

49779028 has 12 divisors (see below), whose sum is σ = 93814420. Its totient is φ = 22974912.

The previous prime is 49779019. The next prime is 49779029. The reversal of 49779028 is 82097794.

It can be written as a sum of positive squares in 2 ways, for example, as 17539344 + 32239684 = 4188^2 + 5678^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49779029) 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, 478593 + ... + 478696.

Almost surely, 249779028 is an apocalyptic number.

It is an amenable number.

49779028 is a deficient number, since it is larger than the sum of its proper divisors (44035392).

49779028 is a wasteful number, since it uses less digits than its factorization.

49779028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957306 (or 957304 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 49779028 is about 7055.4254301211. The cubic root of 49779028 is about 367.8596365289.

The spelling of 49779028 in words is "forty-nine million, seven hundred seventy-nine thousand, twenty-eight".

Divisors: 1 2 4 13 26 52 957289 1914578 3829156 12444757 24889514 49779028