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49369999 = 721922791
BaseRepresentation
bin1011110001010…
…1001110001111
310102220020220111
42330111032033
5100114314444
64522100451
71136431600
oct274251617
9112806814
1049369999
1125960458
121464a727
13a2c7723
1467b1da7
154503234
hex2f1538f

49369999 has 18 divisors (see below), whose sum is σ = 60633864. Its totient is φ = 40075560.

The previous prime is 49369963. The next prime is 49370017. The reversal of 49369999 is 99996394.

It is not a de Polignac number, because 49369999 - 211 = 49367951 is a prime.

49369999 is a modest number, since divided by 9999 gives 4936 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49369909) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16294 + ... + 19084.

It is an arithmetic number, because the mean of its divisors is an integer number (3368548).

Almost surely, 249369999 is an apocalyptic number.

49369999 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

49369999 is a deficient number, since it is larger than the sum of its proper divisors (11263865).

49369999 is a wasteful number, since it uses less digits than its factorization.

49369999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843 (or 2817 counting only the distinct ones).

The product of its digits is 4251528, while the sum is 58.

The square root of 49369999 is about 7026.3787970761. The cubic root of 49369999 is about 366.8493096501.

The spelling of 49369999 in words is "forty-nine million, three hundred sixty-nine thousand, nine hundred ninety-nine".

Divisors: 1 7 19 49 133 361 931 2527 2791 17689 19537 53029 136759 371203 1007551 2598421 7052857 49369999