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50747040 = 2533517691
BaseRepresentation
bin1100000110010…
…1011010100000
310112111012212000
43001211122200
5100442401130
65011404000
71154225361
oct301453240
9115435760
1050747040
1126711003
1214bb3600
13a68a446
146a4db68
1546c6260
hex30656a0

50747040 has 192 divisors, whose sum is σ = 188334720. Its totient is φ = 12718080.

The previous prime is 50747033. The next prime is 50747051. The reversal of 50747040 is 4074705.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50746995 and 50747013.

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, 73095 + ... + 73785.

It is an arithmetic number, because the mean of its divisors is an integer number (980910).

Almost surely, 250747040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50747040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94167360).

50747040 is an abundant number, since it is smaller than the sum of its proper divisors (137587680).

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

50747040 is a wasteful number, since it uses less digits than its factorization.

50747040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 50747040 is about 7123.6956700859. The cubic root of 50747040 is about 370.2288333654.

The spelling of 50747040 in words is "fifty million, seven hundred forty-seven thousand, forty".