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54215332 = 2213553833
BaseRepresentation
bin1100111011010…
…0001010100100
310210000102110021
43032310022210
5102334342312
65214004524
71225552123
oct316641244
9123012407
1054215332
112866a866
12161a6744
13b302ca2
1472b3aba
154b5dc07
hex33b42a4

54215332 has 6 divisors (see below), whose sum is σ = 94876838. Its totient is φ = 27107664.

The previous prime is 54215327. The next prime is 54215339. The reversal of 54215332 is 23351245.

It can be written as a sum of positive squares in only one way, i.e., 36288576 + 17926756 = 6024^2 + 4234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54215297 and 54215306.

It is not an unprimeable number, because it can be changed into a prime (54215339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776913 + ... + 6776920.

Almost surely, 254215332 is an apocalyptic number.

It is an amenable number.

54215332 is a deficient number, since it is larger than the sum of its proper divisors (40661506).

54215332 is a wasteful number, since it uses less digits than its factorization.

54215332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13553837 (or 13553835 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 54215332 is about 7363.1061380371. The cubic root of 54215332 is about 378.4780584868.

Adding to 54215332 its reverse (23351245), we get a palindrome (77566577).

The spelling of 54215332 in words is "fifty-four million, two hundred fifteen thousand, three hundred thirty-two".

Divisors: 1 2 4 13553833 27107666 54215332