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49399761 = 364325609
BaseRepresentation
bin1011110001110…
…0011111010001
310102221202201210
42330130133101
5100121243021
64522450333
71136614425
oct274343721
9112852653
1049399761
1125980854
12146639a9
13a308138
1467bcb85
15450be76
hex2f1c7d1

49399761 has 8 divisors (see below), whose sum is σ = 65971360. Its totient is φ = 32880672.

The previous prime is 49399759. The next prime is 49399783. The reversal of 49399761 is 16799394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49399761 - 21 = 49399759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49399761.

It is not an unprimeable number, because it can be changed into a prime (49399261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10876 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (8246420).

Almost surely, 249399761 is an apocalyptic number.

It is an amenable number.

49399761 is a deficient number, since it is larger than the sum of its proper divisors (16571599).

49399761 is a wasteful number, since it uses less digits than its factorization.

49399761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255.

The product of its digits is 367416, while the sum is 48.

The square root of 49399761 is about 7028.4963541287. The cubic root of 49399761 is about 366.9230114673.

The spelling of 49399761 in words is "forty-nine million, three hundred ninety-nine thousand, seven hundred sixty-one".

Divisors: 1 3 643 1929 25609 76827 16466587 49399761