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49694923 = 241206203
BaseRepresentation
bin1011110110010…
…0100011001011
310110111202121201
42331210203023
5100210214143
64533045031
71142254105
oct275444313
9113452551
1049694923
1126062593
1214786777
13a3ac5a5
146858575
15456964d
hex2f648cb

49694923 has 4 divisors (see below), whose sum is σ = 49901368. Its totient is φ = 49488480.

The previous prime is 49694921. The next prime is 49694947. The reversal of 49694923 is 32949694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32949694 = 216474847.

It is a cyclic number.

It is not a de Polignac number, because 49694923 - 21 = 49694921 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49694921) 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, 102861 + ... + 103342.

It is an arithmetic number, because the mean of its divisors is an integer number (12475342).

Almost surely, 249694923 is an apocalyptic number.

49694923 is a deficient number, since it is larger than the sum of its proper divisors (206445).

49694923 is a wasteful number, since it uses less digits than its factorization.

49694923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206444.

The product of its digits is 419904, while the sum is 46.

The square root of 49694923 is about 7049.4626036316. The cubic root of 49694923 is about 367.6523452474.

The spelling of 49694923 in words is "forty-nine million, six hundred ninety-four thousand, nine hundred twenty-three".

Divisors: 1 241 206203 49694923