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49660242 = 2370111807
BaseRepresentation
bin1011110101110…
…0000101010010
310110110000001020
42331130011102
5100203111432
64532220310
71142051022
oct275340522
9113400036
1049660242
1126039525
121476a696
13a399878
146849a82
15455e22c
hex2f5c152

49660242 has 16 divisors (see below), whose sum is σ = 99470592. Its totient is φ = 16528400.

The previous prime is 49660229. The next prime is 49660249. The reversal of 49660242 is 24206694.

It is a happy number.

49660242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×496602422 = 4932279270997128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49660249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1698 + ... + 10109.

It is an arithmetic number, because the mean of its divisors is an integer number (6216912).

Almost surely, 249660242 is an apocalyptic number.

49660242 is an abundant number, since it is smaller than the sum of its proper divisors (49810350).

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

49660242 is a wasteful number, since it uses less digits than its factorization.

49660242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12513.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 49660242 is about 7047.0023414215. The cubic root of 49660242 is about 367.5667998337.

Subtracting from 49660242 its sum of digits (33), we obtain a square (49660209 = 70472).

The spelling of 49660242 in words is "forty-nine million, six hundred sixty thousand, two hundred forty-two".

Divisors: 1 2 3 6 701 1402 2103 4206 11807 23614 35421 70842 8276707 16553414 24830121 49660242