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49966780 = 2252498339
BaseRepresentation
bin1011111010011…
…0111010111100
310111000120112111
42332212322330
5100242414110
64542543404
71144465513
oct276467274
9114016474
1049966780
1126228866
1214897b64
13a476256
1468c967a
1545bee8a
hex2fa6ebc

49966780 has 12 divisors (see below), whose sum is σ = 104930280. Its totient is φ = 19986704.

The previous prime is 49966769. The next prime is 49966793. The reversal of 49966780 is 8766994.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249150 + ... + 1249189.

It is an arithmetic number, because the mean of its divisors is an integer number (8744190).

Almost surely, 249966780 is an apocalyptic number.

It is an amenable number.

49966780 is an abundant number, since it is smaller than the sum of its proper divisors (54963500).

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

49966780 is a wasteful number, since it uses less digits than its factorization.

49966780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498348 (or 2498346 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 49966780 is about 7068.7184128384. The cubic root of 49966780 is about 368.3215427705.

The spelling of 49966780 in words is "forty-nine million, nine hundred sixty-six thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 2498339 4996678 9993356 12491695 24983390 49966780