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49994013 = 316664671
BaseRepresentation
bin1011111010110…
…1100100011101
310111001221220010
42332231210131
5100244302023
64543313433
71144641066
oct276554435
9114057803
1049994013
1126247273
12148ab879
13a485774
1468d556d
1545c8093
hex2fad91d

49994013 has 4 divisors (see below), whose sum is σ = 66658688. Its totient is φ = 33329340.

The previous prime is 49994003. The next prime is 49994017. The reversal of 49994013 is 31049994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49994013 - 26 = 49993949 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 (49994017) 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, 8332333 + ... + 8332338.

It is an arithmetic number, because the mean of its divisors is an integer number (16664672).

Almost surely, 249994013 is an apocalyptic number.

It is an amenable number.

49994013 is a deficient number, since it is larger than the sum of its proper divisors (16664675).

49994013 is a wasteful number, since it uses less digits than its factorization.

49994013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664674.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 49994013 is about 7070.6444543620. The cubic root of 49994013 is about 368.3884450794.

The spelling of 49994013 in words is "forty-nine million, nine hundred ninety-four thousand, thirteen".

Divisors: 1 3 16664671 49994013