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51941622 = 2361141917
BaseRepresentation
bin1100011000100…
…1000011110110
310121201220111210
43012021003312
5101244112442
65053142250
71200332205
oct306110366
9117656453
1051941622
1127357567
121548a986
13a9b80b5
146c8123c
15486019c
hex31890f6

51941622 has 16 divisors (see below), whose sum is σ = 105586992. Its totient is φ = 17029920.

The previous prime is 51941609. The next prime is 51941623. The reversal of 51941622 is 22614915.

It is a self number, because there is not a number n which added to its sum of digits gives 51941622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51941623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70593 + ... + 71324.

It is an arithmetic number, because the mean of its divisors is an integer number (6599187).

Almost surely, 251941622 is an apocalyptic number.

51941622 is an abundant number, since it is smaller than the sum of its proper divisors (53645370).

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

51941622 is a wasteful number, since it uses less digits than its factorization.

51941622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141983.

The product of its digits is 4320, while the sum is 30.

The square root of 51941622 is about 7207.0536282173. The cubic root of 51941622 is about 373.1113861125. Note that the first 3 decimals are identical.

The spelling of 51941622 in words is "fifty-one million, nine hundred forty-one thousand, six hundred twenty-two".

Divisors: 1 2 3 6 61 122 183 366 141917 283834 425751 851502 8656937 17313874 25970811 51941622