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53990448 = 2431497549
BaseRepresentation
bin1100110111110…
…1010000110000
310202120222222020
43031331100300
5102310143243
65205111440
71223624361
oct315752060
9122528866
1053990448
1128526906
12160b8580
13b254815
147255b68
154b17283
hex337d430

53990448 has 40 divisors (see below), whose sum is σ = 140430000. Its totient is φ = 17873664.

The previous prime is 53990441. The next prime is 53990449. The reversal of 53990448 is 84409935.

53990448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53990441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3378 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (3510750).

Almost surely, 253990448 is an apocalyptic number.

It is an amenable number.

53990448 is an abundant number, since it is smaller than the sum of its proper divisors (86439552).

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

53990448 is a wasteful number, since it uses less digits than its factorization.

53990448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709 (or 7703 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 53990448 is about 7347.8192683272. The cubic root of 53990448 is about 377.9540270508.

The spelling of 53990448 in words is "fifty-three million, nine hundred ninety thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 149 298 447 596 894 1192 1788 2384 3576 7152 7549 15098 22647 30196 45294 60392 90588 120784 181176 362352 1124801 2249602 3374403 4499204 6748806 8998408 13497612 17996816 26995224 53990448