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54145419 = 3113159721
BaseRepresentation
bin1100111010001…
…1000110001011
310202212212112220
43032203012023
5102330123134
65212305123
71225141236
oct316430613
9122785486
1054145419
1128622289
12161721a3
13b2aa213
14729641d
154b48149
hex33a318b

54145419 has 8 divisors (see below), whose sum is σ = 72833232. Its totient is φ = 35777280.

The previous prime is 54145409. The next prime is 54145433. The reversal of 54145419 is 91454145.

54145419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 54145419 - 25 = 54145387 is a prime.

It is a super-2 number, since 2×541454192 = 5863452797371122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54145419.

It is not an unprimeable number, because it can be changed into a prime (54145409) by changing a digit.

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, 79522 + ... + 80199.

It is an arithmetic number, because the mean of its divisors is an integer number (9104154).

Almost surely, 254145419 is an apocalyptic number.

54145419 is a deficient number, since it is larger than the sum of its proper divisors (18687813).

54145419 is a wasteful number, since it uses less digits than its factorization.

54145419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159837.

The product of its digits is 14400, while the sum is 33.

The square root of 54145419 is about 7358.3570856544. The cubic root of 54145419 is about 378.3153005997.

The spelling of 54145419 in words is "fifty-four million, one hundred forty-five thousand, four hundred nineteen".

Divisors: 1 3 113 339 159721 479163 18048473 54145419