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54521434 = 2116140627
BaseRepresentation
bin1100111111111…
…0111001011010
310210120222100101
43033332321122
5102424141214
65224330014
71231265422
oct317767132
9123528311
1054521434
1128859840
121631390a
13b3ac406
147353482
154bbe774
hex33fee5a

54521434 has 16 divisors (see below), whose sum is σ = 90681696. Its totient is φ = 24375600.

The previous prime is 54521407. The next prime is 54521443. The reversal of 54521434 is 43412545.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18972 + ... + 21655.

It is an arithmetic number, because the mean of its divisors is an integer number (5667606).

Almost surely, 254521434 is an apocalyptic number.

54521434 is a deficient number, since it is larger than the sum of its proper divisors (36160262).

54521434 is a wasteful number, since it uses less digits than its factorization.

54521434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40701.

The product of its digits is 9600, while the sum is 28.

The square root of 54521434 is about 7383.8630810708. The cubic root of 54521434 is about 379.1890230240.

Adding to 54521434 its reverse (43412545), we get a palindrome (97933979).

Subtracting from 54521434 its reverse (43412545), we obtain a square (11108889 = 33332).

It can be divided in two parts, 5452 and 1434, that added together give a palindrome (6886).

The spelling of 54521434 in words is "fifty-four million, five hundred twenty-one thousand, four hundred thirty-four".

Divisors: 1 2 11 22 61 122 671 1342 40627 81254 446897 893794 2478247 4956494 27260717 54521434