Search a number
-
+
49990499 = 138943207
BaseRepresentation
bin1011111010110…
…0101101100011
310111001210001222
42332230231203
5100244143444
64543245255
71144624616
oct276545543
9114053058
1049990499
1126244669
12148a982b
13a483ca0
1468d417d
1545c6eee
hex2facb63

49990499 has 8 divisors (see below), whose sum is σ = 54442080. Its totient is φ = 45625536.

The previous prime is 49990487. The next prime is 49990511. The reversal of 49990499 is 99409994.

It is an interprime number because it is at equal distance from previous prime (49990487) and next prime (49990511).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49990499 - 24 = 49990483 is a prime.

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 49990499.

It is not an unprimeable number, because it can be changed into a prime (49990399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20447 + ... + 22760.

It is an arithmetic number, because the mean of its divisors is an integer number (6805260).

Almost surely, 249990499 is an apocalyptic number.

49990499 is a deficient number, since it is larger than the sum of its proper divisors (4451581).

49990499 is a wasteful number, since it uses less digits than its factorization.

49990499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43309.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 49990499 is about 7070.3959577947. The cubic root of 49990499 is about 368.3798137304.

The spelling of 49990499 in words is "forty-nine million, nine hundred ninety thousand, four hundred ninety-nine".

Divisors: 1 13 89 1157 43207 561691 3845423 49990499