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53819894 = 2196721139
BaseRepresentation
bin1100110101001…
…1100111110110
310202021100000102
43031103213312
5102234214034
65201314102
71222314212
oct315234766
9122240012
1053819894
112841a757
1216035932
13b1c4cbb
14720d942
154ad197e
hex33539f6

53819894 has 16 divisors (see below), whose sum is σ = 86251200. Its totient is φ = 25111944.

The previous prime is 53819893. The next prime is 53819897. The reversal of 53819894 is 49891835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53819891) 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, 8024 + ... + 13115.

It is an arithmetic number, because the mean of its divisors is an integer number (5390700).

Almost surely, 253819894 is an apocalyptic number.

53819894 is a deficient number, since it is larger than the sum of its proper divisors (32431306).

53819894 is a wasteful number, since it uses less digits than its factorization.

53819894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21227.

The product of its digits is 311040, while the sum is 47.

The square root of 53819894 is about 7336.2043319417. The cubic root of 53819894 is about 377.5556259125. Note that the first 3 decimals are identical.

The spelling of 53819894 in words is "fifty-three million, eight hundred nineteen thousand, eight hundred ninety-four".

Divisors: 1 2 19 38 67 134 1273 2546 21139 42278 401641 803282 1416313 2832626 26909947 53819894