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6750240 = 25357341
BaseRepresentation
bin11001110000000000100000
3110200221120220
4121300000200
53212001430
6400403040
7111243000
oct31600040
913627526
106750240
1138a0612
122316480
131524633
14c7a000
158d5110
hex670020

6750240 has 192 divisors, whose sum is σ = 25401600. Its totient is φ = 1505280.

The previous prime is 6750229. The next prime is 6750251. The reversal of 6750240 is 420576.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6750229) and next prime (6750251).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6750240.

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, 164620 + ... + 164660.

It is an arithmetic number, because the mean of its divisors is an integer number (132300).

Almost surely, 26750240 is an apocalyptic number.

6750240 is a gapful number since it is divisible by the number (60) 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 6750240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700800).

6750240 is an abundant number, since it is smaller than the sum of its proper divisors (18651360).

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

6750240 is a wasteful number, since it uses less digits than its factorization.

6750240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 6750240 is about 2598.1223989643. The cubic root of 6750240 is about 188.9903973173.

The spelling of 6750240 in words is "six million, seven hundred fifty thousand, two hundred forty".