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53984473 = 232347151
BaseRepresentation
bin1100110111101…
…1110011011001
310202120200202221
43031323303121
5102310000343
65205024041
71223601064
oct315736331
9122520687
1053984473
1128522374
12160b5021
13b251b9a
1472538db
154b155ed
hex337bcd9

53984473 has 4 divisors (see below), whose sum is σ = 56331648. Its totient is φ = 51637300.

The previous prime is 53984471. The next prime is 53984543. The reversal of 53984473 is 37448935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37448935 = 57489787.

It is not a de Polignac number, because 53984473 - 21 = 53984471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53984471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173553 + ... + 1173598.

It is an arithmetic number, because the mean of its divisors is an integer number (14082912).

Almost surely, 253984473 is an apocalyptic number.

It is an amenable number.

53984473 is a deficient number, since it is larger than the sum of its proper divisors (2347175).

53984473 is a wasteful number, since it uses less digits than its factorization.

53984473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347174.

The product of its digits is 362880, while the sum is 43.

The square root of 53984473 is about 7347.4126738601. The cubic root of 53984473 is about 377.9400840991.

The spelling of 53984473 in words is "fifty-three million, nine hundred eighty-four thousand, four hundred seventy-three".

Divisors: 1 23 2347151 53984473