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54121430 = 2511492013
BaseRepresentation
bin1100111001110…
…1001111010110
310202211122122102
43032131033112
5102323341210
65212002102
71225011266
oct316351726
9122748572
1054121430
1128606260
1216160332
13b29c31c
14728b7a6
154b40ea5
hex339d3d6

54121430 has 16 divisors (see below), whose sum is σ = 106275024. Its totient is φ = 19680480.

The previous prime is 54121429. The next prime is 54121469. The reversal of 54121430 is 3412145.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245897 + ... + 246116.

It is an arithmetic number, because the mean of its divisors is an integer number (6642189).

Almost surely, 254121430 is an apocalyptic number.

54121430 is a deficient number, since it is larger than the sum of its proper divisors (52153594).

54121430 is a wasteful number, since it uses less digits than its factorization.

54121430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492031.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 54121430 is about 7356.7268537034. The cubic root of 54121430 is about 378.2594217797.

Adding to 54121430 its reverse (3412145), we get a palindrome (57533575).

The spelling of 54121430 in words is "fifty-four million, one hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 492013 984026 2460065 4920130 5412143 10824286 27060715 54121430