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50698945 = 5115091811
BaseRepresentation
bin1100000101100…
…1101011000001
310112101202212201
43001121223001
5100434331240
65010353201
71153635223
oct301315301
9115352781
1050698945
1126688960
1214b8b801
13a67159b
146a3a413
1546b6d9a
hex3059ac1

50698945 has 16 divisors (see below), whose sum is σ = 66536640. Its totient is φ = 36779200.

The previous prime is 50698943. The next prime is 50698979. The reversal of 50698945 is 54989605.

It is not a de Polignac number, because 50698945 - 21 = 50698943 is a prime.

It is a super-2 number, since 2×506989452 = 5140766048226050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50698895 and 50698904.

It is not an unprimeable number, because it can be changed into a prime (50698943) 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, 27090 + ... + 28900.

It is an arithmetic number, because the mean of its divisors is an integer number (4158540).

Almost surely, 250698945 is an apocalyptic number.

50698945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50698945 is a deficient number, since it is larger than the sum of its proper divisors (15837695).

50698945 is a wasteful number, since it uses less digits than its factorization.

50698945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 50698945 is about 7120.3191641948. The cubic root of 50698945 is about 370.1118361711. Note that the first 3 decimals are identical.

The spelling of 50698945 in words is "fifty million, six hundred ninety-eight thousand, nine hundred forty-five".

Divisors: 1 5 11 55 509 1811 2545 5599 9055 19921 27995 99605 921799 4608995 10139789 50698945