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54040404 = 22311409397
BaseRepresentation
bin1100111000100…
…1011101010100
310202200112111110
43032021131110
5102313243104
65210135020
71224223125
oct316113524
9122615443
1054040404
11285603a0
1216121470
13b271492
14726a04c
154b26e89
hex3389754

54040404 has 24 divisors (see below), whose sum is σ = 137557728. Its totient is φ = 16375840.

The previous prime is 54040397. The next prime is 54040411. The reversal of 54040404 is 40404045.

54040404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54040397) and next prime (54040411).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204567 + ... + 204830.

It is an arithmetic number, because the mean of its divisors is an integer number (5731572).

Almost surely, 254040404 is an apocalyptic number.

It is an amenable number.

54040404 is an abundant number, since it is smaller than the sum of its proper divisors (83517324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54040404 is a wasteful number, since it uses less digits than its factorization.

54040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409415 (or 409413 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 54040404 is about 7351.2178582872. The cubic root of 54040404 is about 378.0705615593.

Adding to 54040404 its reverse (40404045), we get a palindrome (94444449).

The spelling of 54040404 in words is "fifty-four million, forty thousand, four hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 409397 818794 1228191 1637588 2456382 4503367 4912764 9006734 13510101 18013468 27020202 54040404