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49770940 = 2252488547
BaseRepresentation
bin1011110111011…
…1000110111100
310110122121220011
42331313012330
5100220132230
64534433004
71143021532
oct275670674
9113577804
1049770940
112610470a
1214802764
13a40807b
146878152
154581e2a
hex2f771bc

49770940 has 12 divisors (see below), whose sum is σ = 104519016. Its totient is φ = 19908368.

The previous prime is 49770923. The next prime is 49770949. The reversal of 49770940 is 4907794.

It is a junction number, because it is equal to n+sod(n) for n = 49770893 and 49770902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49770949) by changing a digit.

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, 1244254 + ... + 1244293.

It is an arithmetic number, because the mean of its divisors is an integer number (8709918).

Almost surely, 249770940 is an apocalyptic number.

It is an amenable number.

49770940 is an abundant number, since it is smaller than the sum of its proper divisors (54748076).

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

49770940 is a wasteful number, since it uses less digits than its factorization.

49770940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488556 (or 2488554 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 49770940 is about 7054.8522309117. The cubic root of 49770940 is about 367.8397124095.

The spelling of 49770940 in words is "forty-nine million, seven hundred seventy thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 2488547 4977094 9954188 12442735 24885470 49770940