Search a number
-
+
49850931 = 3134572797
BaseRepresentation
bin1011111000101…
…0101000110011
310110210200121210
42332022220303
5100230212211
64540251203
71143503664
oct276125063
9113720553
1049850931
1126159819
1214840b03
13a4355c0
14689936b
15459a9a6
hex2f8aa33

49850931 has 16 divisors (see below), whose sum is σ = 71763104. Its totient is φ = 30599424.

The previous prime is 49850923. The next prime is 49850939. The reversal of 49850931 is 13905894.

It is an interprime number because it is at equal distance from previous prime (49850923) and next prime (49850939).

It is not a de Polignac number, because 49850931 - 23 = 49850923 is a prime.

It is a super-2 number, since 2×498509312 = 4970230643133522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 49850931.

It is not an unprimeable number, because it can be changed into a prime (49850939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16425 + ... + 19221.

It is an arithmetic number, because the mean of its divisors is an integer number (4485194).

Almost surely, 249850931 is an apocalyptic number.

49850931 is a deficient number, since it is larger than the sum of its proper divisors (21912173).

49850931 is a wasteful number, since it uses less digits than its factorization.

49850931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 49850931 is about 7060.5191735452. The cubic root of 49850931 is about 368.0366688217.

The spelling of 49850931 in words is "forty-nine million, eight hundred fifty thousand, nine hundred thirty-one".

Divisors: 1 3 13 39 457 1371 2797 5941 8391 17823 36361 109083 1278229 3834687 16616977 49850931