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49718240 = 25511134153
BaseRepresentation
bin1011110110101…
…0001111100000
310110112221121022
42331222033200
5100211440430
64533345012
71142412065
oct275521740
9113487538
1049718240
1126079060
1214798168
13a3ba0a0
146862c6c
1545714e5
hex2f6a3e0

49718240 has 192 divisors, whose sum is σ = 144027072. Its totient is φ = 15974400.

The previous prime is 49718237. The next prime is 49718257. The reversal of 49718240 is 4281794.

It is a self number, because there is not a number n which added to its sum of digits gives 49718240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 938054 + ... + 938106.

It is an arithmetic number, because the mean of its divisors is an integer number (750141).

Almost surely, 249718240 is an apocalyptic number.

49718240 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 49718240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72013536).

49718240 is an abundant number, since it is smaller than the sum of its proper divisors (94308832).

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

49718240 is a wasteful number, since it uses less digits than its factorization.

49718240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 49718240 is about 7051.1162236911. The cubic root of 49718240 is about 367.7098374338.

The spelling of 49718240 in words is "forty-nine million, seven hundred eighteen thousand, two hundred forty".