Search a number
-
+
49431361 = 710136971
BaseRepresentation
bin1011110010010…
…0001101000001
310110000101002011
42330210031001
5100123300421
64523252521
71140105520
oct274441501
9113011064
1049431361
11259a2571
121467a141
13a319635
1467ca4b7
1545164e1
hex2f24341

49431361 has 8 divisors (see below), whose sum is σ = 56556864. Its totient is φ = 42321840.

The previous prime is 49431323. The next prime is 49431377. The reversal of 49431361 is 16313494.

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 49431361 - 27 = 49431233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49431311) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3606 + ... + 10576.

It is an arithmetic number, because the mean of its divisors is an integer number (7069608).

Almost surely, 249431361 is an apocalyptic number.

It is an amenable number.

49431361 is a deficient number, since it is larger than the sum of its proper divisors (7125503).

49431361 is a wasteful number, since it uses less digits than its factorization.

49431361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991.

The product of its digits is 7776, while the sum is 31.

The square root of 49431361 is about 7030.7439862364. The cubic root of 49431361 is about 367.0012324647.

The spelling of 49431361 in words is "forty-nine million, four hundred thirty-one thousand, three hundred sixty-one".

Divisors: 1 7 1013 6971 7091 48797 7061623 49431361