Search a number
-
+
49440079 = 138234621
BaseRepresentation
bin1011110010011…
…0010101001111
310110000211001001
42330212111033
5100124040304
64523401131
71140143113
oct274462517
9113024031
1049440079
11259a9077
12146831a7
13a3205b0
1467cd743
154518da4
hex2f2654f

49440079 has 8 divisors (see below), whose sum is σ = 53319392. Its totient is φ = 45571680.

The previous prime is 49440047. The next prime is 49440089. The reversal of 49440079 is 97004494.

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 49440079 - 25 = 49440047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49440089) 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, 8389 + ... + 13009.

It is an arithmetic number, because the mean of its divisors is an integer number (6664924).

Almost surely, 249440079 is an apocalyptic number.

49440079 is a deficient number, since it is larger than the sum of its proper divisors (3879313).

49440079 is a wasteful number, since it uses less digits than its factorization.

49440079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 49440079 is about 7031.3639501878. The cubic root of 49440079 is about 367.0228066813.

The spelling of 49440079 in words is "forty-nine million, four hundred forty thousand, seventy-nine".

Divisors: 1 13 823 4621 10699 60073 3803083 49440079