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538648822 = 219223163199
BaseRepresentation
bin100000000110110…
…010000011110110
31101112120012021101
4200012302003312
52100343230242
6125241040314
716230303505
oct4006620366
91345505241
10538648822
11257064918
1213048609a
138779791a
145177683c
153244e9b7
hex201b20f6

538648822 has 48 divisors (see below), whose sum is σ = 899769600. Its totient is φ = 241339824.

The previous prime is 538648801. The next prime is 538648829. The reversal of 538648822 is 228846835.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538648829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2706679 + ... + 2706877.

It is an arithmetic number, because the mean of its divisors is an integer number (18745200).

Almost surely, 2538648822 is an apocalyptic number.

538648822 is a deficient number, since it is larger than the sum of its proper divisors (361120778).

538648822 is a wasteful number, since it uses less digits than its factorization.

538648822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 406 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 538648822 is about 23208.8091465288. The cubic root of 538648822 is about 813.6455211493.

The spelling of 538648822 in words is "five hundred thirty-eight million, six hundred forty-eight thousand, eight hundred twenty-two".

Divisors: 1 2 19 23 38 46 163 199 326 361 398 437 722 874 3097 3749 3781 4577 6194 7498 7562 8303 9154 16606 32437 58843 64874 71231 71839 86963 117686 142462 143678 173926 616303 746051 1232606 1353389 1492102 1652297 2706778 3304594 11709757 14174969 23419514 28349938 269324411 538648822