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49496820 = 2235824947
BaseRepresentation
bin1011110011010…
…0001011110100
310110010200212120
42330310023310
5100132344240
64524515540
71140500412
oct274641364
9113120776
1049496820
1125a3776a
12146abbb0
13a340379
1468062b2
15452aad0
hex2f342f4

49496820 has 24 divisors (see below), whose sum is σ = 138591264. Its totient is φ = 13199136.

The previous prime is 49496819. The next prime is 49496873. The reversal of 49496820 is 2869494.

It is a super-2 number, since 2×494968202 = 4899870380224800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412414 + ... + 412533.

It is an arithmetic number, because the mean of its divisors is an integer number (5774636).

Almost surely, 249496820 is an apocalyptic number.

It is an amenable number.

49496820 is an abundant number, since it is smaller than the sum of its proper divisors (89094444).

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

49496820 is a wasteful number, since it uses less digits than its factorization.

49496820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824959 (or 824957 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 49496820 is about 7035.3976433461. The cubic root of 49496820 is about 367.1631602819.

The spelling of 49496820 in words is "forty-nine million, four hundred ninety-six thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 824947 1649894 2474841 3299788 4124735 4949682 8249470 9899364 12374205 16498940 24748410 49496820