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49944960 = 27325132329
BaseRepresentation
bin1011111010000…
…1100110000000
310110222110121100
42332201212000
5100241214320
64542254400
71144345062
oct276414600
9113873540
1049944960
112621342a
1214887400
13a469340
1468c1732
1545b8790
hex2fa1980

49944960 has 384 divisors, whose sum is σ = 200491200. Its totient is φ = 11354112.

The previous prime is 49944953. The next prime is 49944967. The reversal of 49944960 is 6944994.

It is an interprime number because it is at equal distance from previous prime (49944953) and next prime (49944967).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49944967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1722226 + ... + 1722254.

Almost surely, 249944960 is an apocalyptic number.

49944960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49944960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100245600).

49944960 is an abundant number, since it is smaller than the sum of its proper divisors (150546240).

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

49944960 is a wasteful number, since it uses less digits than its factorization.

49944960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 49944960 is about 7067.1748244967. The cubic root of 49944960 is about 368.2679208361.

The spelling of 49944960 in words is "forty-nine million, nine hundred forty-four thousand, nine hundred sixty".