Search a number
-
+
49492771 = 311596541
BaseRepresentation
bin1011110011001…
…1001100100011
310110010111022121
42330303030203
5100132232041
64524445111
71140452536
oct274631443
9113114277
1049492771
1125a34719
12146a9797
13a33b583
146804a1d
1545297d1
hex2f33323

49492771 has 4 divisors (see below), whose sum is σ = 51089344. Its totient is φ = 47896200.

The previous prime is 49492753. The next prime is 49492783. The reversal of 49492771 is 17729494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17729494 = 28864747.

It is a cyclic number.

It is not a de Polignac number, because 49492771 - 221 = 47395619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49492741) 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, 798240 + ... + 798301.

It is an arithmetic number, because the mean of its divisors is an integer number (12772336).

Almost surely, 249492771 is an apocalyptic number.

49492771 is a deficient number, since it is larger than the sum of its proper divisors (1596573).

49492771 is a wasteful number, since it uses less digits than its factorization.

49492771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596572.

The product of its digits is 127008, while the sum is 43.

The square root of 49492771 is about 7035.1098783175. The cubic root of 49492771 is about 367.1531482975.

The spelling of 49492771 in words is "forty-nine million, four hundred ninety-two thousand, seven hundred seventy-one".

Divisors: 1 31 1596541 49492771