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54632645 = 517642737
BaseRepresentation
bin1101000001101…
…0000011000101
310210210121220022
43100122003011
5102441221040
65230544525
71232240564
oct320320305
9123717808
1054632645
1128925351
1216368145
13b41ac12
147381bdb
154be26b5
hex341a0c5

54632645 has 8 divisors (see below), whose sum is σ = 69415704. Its totient is φ = 41135104.

The previous prime is 54632629. The next prime is 54632647. The reversal of 54632645 is 54623645.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4605316 + 50027329 = 2146^2 + 7073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54632645 - 24 = 54632629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54632647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321284 + ... + 321453.

It is an arithmetic number, because the mean of its divisors is an integer number (8676963).

Almost surely, 254632645 is an apocalyptic number.

It is an amenable number.

54632645 is a deficient number, since it is larger than the sum of its proper divisors (14783059).

54632645 is a wasteful number, since it uses less digits than its factorization.

54632645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642759.

The product of its digits is 86400, while the sum is 35.

The square root of 54632645 is about 7391.3899234177. The cubic root of 54632645 is about 379.4466669601.

The spelling of 54632645 in words is "fifty-four million, six hundred thirty-two thousand, six hundred forty-five".

Divisors: 1 5 17 85 642737 3213685 10926529 54632645