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49711894 = 224855947
BaseRepresentation
bin1011110110100…
…0101100010110
310110112121220021
42331220230112
5100211240034
64533255354
71142354431
oct275505426
9113477807
1049711894
1126074311
121479455a
13a3b722b
146860818
15456e6b4
hex2f68b16

49711894 has 4 divisors (see below), whose sum is σ = 74567844. Its totient is φ = 24855946.

The previous prime is 49711861. The next prime is 49711919. The reversal of 49711894 is 49811794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49811794 = 224905897.

It is a self number, because there is not a number n which added to its sum of digits gives 49711894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12427972 + ... + 12427975.

It is an arithmetic number, because the mean of its divisors is an integer number (18641961).

Almost surely, 249711894 is an apocalyptic number.

49711894 is a deficient number, since it is larger than the sum of its proper divisors (24855950).

49711894 is a wasteful number, since it uses less digits than its factorization.

49711894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24855949.

The product of its digits is 72576, while the sum is 43.

The square root of 49711894 is about 7050.6662096571. Note that the first 3 decimals coincide. The cubic root of 49711894 is about 367.6941920294.

It can be divided in two parts, 49711 and 894, that added together give a palindrome (50605).

The spelling of 49711894 in words is "forty-nine million, seven hundred eleven thousand, eight hundred ninety-four".

Divisors: 1 2 24855947 49711894