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54363631 = 747373443
BaseRepresentation
bin1100111101100…
…0010111101111
310210021221212211
43033120113233
5102404114011
65221111251
71230040360
oct317302757
9123257784
1054363631
1128761223
1216258527
13b35563a
147311b67
154b8cb21
hex33d85ef

54363631 has 16 divisors (see below), whose sum is σ = 63765504. Its totient is φ = 45381024.

The previous prime is 54363629. The next prime is 54363643. The reversal of 54363631 is 13636345.

It is a cyclic number.

It is not a de Polignac number, because 54363631 - 21 = 54363629 is a prime.

It is a super-2 number, since 2×543636312 = 5910808751008322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54363593 and 54363602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54363601) 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 15 ways as a sum of consecutive naturals, for example, 122496 + ... + 122938.

It is an arithmetic number, because the mean of its divisors is an integer number (3985344).

Almost surely, 254363631 is an apocalyptic number.

54363631 is a deficient number, since it is larger than the sum of its proper divisors (9401873).

54363631 is a wasteful number, since it uses less digits than its factorization.

54363631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its digits is 19440, while the sum is 31.

The square root of 54363631 is about 7373.1696711794. The cubic root of 54363631 is about 378.8228368381.

Adding to 54363631 its reverse (13636345), we get a palindrome (67999976).

The spelling of 54363631 in words is "fifty-four million, three hundred sixty-three thousand, six hundred thirty-one".

Divisors: 1 7 47 329 373 443 2611 3101 17531 20821 122717 145747 165239 1156673 7766233 54363631