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54130430 = 2519284897
BaseRepresentation
bin1100111001111…
…1011011111110
310202212002222202
43032133123332
5102324133210
65212111502
71225046444
oct316373376
9122762882
1054130430
1128611aa2
1216165592
13b2a3453
147290b94
154b439a5
hex339f6fe

54130430 has 16 divisors (see below), whose sum is σ = 102563280. Its totient is φ = 20512512.

The previous prime is 54130399. The next prime is 54130451. The reversal of 54130430 is 3403145.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142259 + ... + 142638.

It is an arithmetic number, because the mean of its divisors is an integer number (6410205).

Almost surely, 254130430 is an apocalyptic number.

54130430 is a deficient number, since it is larger than the sum of its proper divisors (48432850).

54130430 is a wasteful number, since it uses less digits than its factorization.

54130430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284923.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 54130430 is about 7357.3385133484. The cubic root of 54130430 is about 378.2803878808.

Adding to 54130430 its reverse (3403145), we get a palindrome (57533575).

The spelling of 54130430 in words is "fifty-four million, one hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 284897 569794 1424485 2848970 5413043 10826086 27065215 54130430