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53293478 = 272543811
BaseRepresentation
bin1100101101001…
…1000110100110
310201021120220112
43023103012212
5102120342403
65142133022
71214662400
oct313230646
9121246815
1053293478
11280a01a7
1215a21172
13b06c504
147113b70
154a2a9d8
hex32d31a6

53293478 has 12 divisors (see below), whose sum is σ = 92991852. Its totient is φ = 22840020.

The previous prime is 53293463. The next prime is 53293483. The reversal of 53293478 is 87439235.

53293478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 271808 + ... + 272003.

It is an arithmetic number, because the mean of its divisors is an integer number (7749321).

Almost surely, 253293478 is an apocalyptic number.

53293478 is a deficient number, since it is larger than the sum of its proper divisors (39698374).

53293478 is a wasteful number, since it uses less digits than its factorization.

53293478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543827 (or 543820 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 53293478 is about 7300.2382152913. The cubic root of 53293478 is about 376.3206249251.

The spelling of 53293478 in words is "fifty-three million, two hundred ninety-three thousand, four hundred seventy-eight".

Divisors: 1 2 7 14 49 98 543811 1087622 3806677 7613354 26646739 53293478