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749575050 = 23527317857
BaseRepresentation
bin101100101011011…
…001101110001010
31221020110100122220
4230223121232022
53013342400200
6202213554510
724401166000
oct5453315612
91836410586
10749575050
1135512a914
1218b045a36
13bc3a9243
14717a0a70
1545c164a0
hex2cad9b8a

749575050 has 192 divisors, whose sum is σ = 2298067200. Its totient is φ = 161064960.

The previous prime is 749575039. The next prime is 749575051. The reversal of 749575050 is 50575947.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 749574993 and 749575011.

It is not an unprimeable number, because it can be changed into a prime (749575051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 874222 + ... + 875078.

It is an arithmetic number, because the mean of its divisors is an integer number (11969100).

Almost surely, 2749575050 is an apocalyptic number.

749575050 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 749575050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149033600).

749575050 is an abundant number, since it is smaller than the sum of its proper divisors (1548492150).

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

749575050 is a wasteful number, since it uses less digits than its factorization.

749575050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 749575050 is about 27378.3682859297. The cubic root of 749575050 is about 908.3886672423.

The spelling of 749575050 in words is "seven hundred forty-nine million, five hundred seventy-five thousand, fifty".