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50451121 = 7172318433
BaseRepresentation
bin1100000001110…
…1001010110001
310111221011221001
43000131022301
5100403413441
65001202001
71151553550
oct300351261
9114834831
1050451121
1126529746
1214a90301
13a5b5846
1469b3d97
154668731
hex301d2b1

50451121 has 16 divisors (see below), whose sum is σ = 63707904. Its totient is φ = 38928384.

The previous prime is 50451101. The next prime is 50451133. The reversal of 50451121 is 12115405.

It is a cyclic number.

It is not a de Polignac number, because 50451121 - 211 = 50449073 is a prime.

It is a super-2 number, since 2×504511212 = 5090631220313282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50451101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6480 + ... + 11953.

It is an arithmetic number, because the mean of its divisors is an integer number (3981744).

Almost surely, 250451121 is an apocalyptic number.

It is an amenable number.

50451121 is a deficient number, since it is larger than the sum of its proper divisors (13256783).

50451121 is a wasteful number, since it uses less digits than its factorization.

50451121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18480.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 50451121 is about 7102.8952547535. The cubic root of 50451121 is about 369.5077969476.

Adding to 50451121 its reverse (12115405), we get a palindrome (62566526).

The spelling of 50451121 in words is "fifty million, four hundred fifty-one thousand, one hundred twenty-one".

Divisors: 1 7 17 23 119 161 391 2737 18433 129031 313361 423959 2193527 2967713 7207303 50451121