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49408936 = 2317418861
BaseRepresentation
bin1011110001111…
…0101110101000
310102222020022121
42330132232220
5100122041221
64523001024
71136653243
oct274365650
9112866277
1049408936
1125987735
1214669174
13a30c375
1467c225a
15450ea41
hex2f1eba8

49408936 has 32 divisors (see below), whose sum is σ = 100495080. Its totient is φ = 22681600.

The previous prime is 49408907. The next prime is 49408939. The reversal of 49408936 is 63980494.

It can be written as a sum of positive squares in 4 ways, for example, as 47692836 + 1716100 = 6906^2 + 1310^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49408892 and 49408901.

It is not an unprimeable number, because it can be changed into a prime (49408939) 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, 1146 + ... + 10006.

Almost surely, 249408936 is an apocalyptic number.

It is an amenable number.

49408936 is an abundant number, since it is smaller than the sum of its proper divisors (51086144).

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

49408936 is a wasteful number, since it uses less digits than its factorization.

49408936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8925 (or 8921 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 49408936 is about 7029.1490238862. The cubic root of 49408936 is about 366.9457262212.

The spelling of 49408936 in words is "forty-nine million, four hundred eight thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 17 34 41 68 82 136 164 328 697 1394 2788 5576 8861 17722 35444 70888 150637 301274 363301 602548 726602 1205096 1453204 2906408 6176117 12352234 24704468 49408936