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49999393 = 1929103881
BaseRepresentation
bin1011111010111…
…0111000100001
310111002020021101
42332232320201
5100244440033
64543354401
71144662553
oct276567041
9114066241
1049999393
1126250314
12148b2a01
13a488052
1468d74d3
1545c997d
hex2faee21

49999393 has 16 divisors (see below), whose sum is σ = 55036800. Its totient is φ = 45239040.

The previous prime is 49999387. The next prime is 49999403. The reversal of 49999393 is 39399994.

It is a cyclic number.

It is not a de Polignac number, because 49999393 - 25 = 49999361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49999693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56313 + ... + 57193.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 249999393 is an apocalyptic number.

It is an amenable number.

49999393 is a deficient number, since it is larger than the sum of its proper divisors (5037407).

49999393 is a wasteful number, since it uses less digits than its factorization.

49999393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032.

The product of its digits is 2125764, while the sum is 55.

The square root of 49999393 is about 7071.0248903536. The cubic root of 49999393 is about 368.4016590533.

The spelling of 49999393 in words is "forty-nine million, nine hundred ninety-nine thousand, three hundred ninety-three".

Divisors: 1 19 29 103 551 881 1957 2987 16739 25549 56753 90743 485431 1724117 2631547 49999393