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49493838 = 23235367101
BaseRepresentation
bin1011110011001…
…1011101001110
310110010112210010
42330303131032
5100132300323
64524454050
71140455622
oct274633516
9113115703
1049493838
1125a354a9
12146aa326
13a33bbc4
146805182
154529c93
hex2f3374e

49493838 has 64 divisors (see below), whose sum is σ = 107868672. Its totient is φ = 15100800.

The previous prime is 49493837. The next prime is 49493863. The reversal of 49493838 is 83839494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49493833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489988 + ... + 490088.

It is an arithmetic number, because the mean of its divisors is an integer number (1685448).

Almost surely, 249493838 is an apocalyptic number.

49493838 is an abundant number, since it is smaller than the sum of its proper divisors (58374834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49493838 is a wasteful number, since it uses less digits than its factorization.

49493838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249.

The product of its digits is 746496, while the sum is 48.

The square root of 49493838 is about 7035.1857118345. The cubic root of 49493838 is about 367.1557867272.

The spelling of 49493838 in words is "forty-nine million, four hundred ninety-three thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 23 46 53 67 69 101 106 134 138 159 201 202 303 318 402 606 1219 1541 2323 2438 3082 3551 3657 4623 4646 5353 6767 6969 7102 7314 9246 10653 10706 13534 13938 16059 20301 21306 32118 40602 81673 123119 155641 163346 245019 246238 311282 358651 369357 466923 490038 717302 738714 933846 1075953 2151906 8248973 16497946 24746919 49493838