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49671648 = 25321313267
BaseRepresentation
bin1011110101111…
…0110111100000
310110110120200200
42331132313200
5100203443043
64532345200
71142126205
oct275366740
9113416620
1049671648
1126047054
1214775200
13a3a1b10
14684dcac
1545627d3
hex2f5ede0

49671648 has 72 divisors (see below), whose sum is σ = 152130888. Its totient is φ = 15282432.

The previous prime is 49671631. The next prime is 49671659. The reversal of 49671648 is 84617694.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2890 + ... + 10377.

It is an arithmetic number, because the mean of its divisors is an integer number (2112929).

Almost surely, 249671648 is an apocalyptic number.

49671648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49671648 is an abundant number, since it is smaller than the sum of its proper divisors (102459240).

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

49671648 is a wasteful number, since it uses less digits than its factorization.

49671648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13296 (or 13285 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 49671648 is about 7047.8115752338. The cubic root of 49671648 is about 367.5949386815.

The spelling of 49671648 in words is "forty-nine million, six hundred seventy-one thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 3744 13267 26534 39801 53068 79602 106136 119403 159204 172471 212272 238806 318408 344942 424544 477612 517413 636816 689884 955224 1034826 1273632 1379768 1552239 1910448 2069652 2759536 3104478 3820896 4139304 5519072 6208956 8278608 12417912 16557216 24835824 49671648