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50745730 = 257724939
BaseRepresentation
bin1100000110010…
…1000110000010
310112111011001111
43001211012002
5100442330410
65011353534
71154221510
oct301450602
9115434044
1050745730
1126710022
1214bb28aa
13a689979
146a4d4b0
1546c5b8a
hex3065182

50745730 has 16 divisors (see below), whose sum is σ = 104391360. Its totient is φ = 17398512.

The previous prime is 50745707. The next prime is 50745749. The reversal of 50745730 is 3754705.

It is a super-2 number, since 2×507457302 = 5150258226465800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50745692 and 50745701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362400 + ... + 362539.

It is an arithmetic number, because the mean of its divisors is an integer number (6524460).

Almost surely, 250745730 is an apocalyptic number.

50745730 is an abundant number, since it is smaller than the sum of its proper divisors (53645630).

50745730 is a wasteful number, since it uses less digits than its factorization.

50745730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724953.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 50745730 is about 7123.6037228358. The cubic root of 50745730 is about 370.2256476036.

Subtracting from 50745730 its reverse (3754705), we obtain a square (46991025 = 68552).

The spelling of 50745730 in words is "fifty million, seven hundred forty-five thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 724939 1449878 3624695 5074573 7249390 10149146 25372865 50745730