Search a number
-
+
54140417 = 72774471
BaseRepresentation
bin1100111010000…
…1111000000001
310202212121200122
43032201320001
5102324443132
65212230025
71225120532
oct316417001
9122777618
1054140417
1128619551
121616b315
13b2a7b66
147294689
154b46912
hex33a1e01

54140417 has 4 divisors (see below), whose sum is σ = 54215616. Its totient is φ = 54065220.

The previous prime is 54140407. The next prime is 54140473. The reversal of 54140417 is 71404145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71404145 = 514280829.

It is a cyclic number.

It is not a de Polignac number, because 54140417 - 212 = 54136321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54140407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36509 + ... + 37962.

It is an arithmetic number, because the mean of its divisors is an integer number (13553904).

Almost surely, 254140417 is an apocalyptic number.

It is an amenable number.

54140417 is a deficient number, since it is larger than the sum of its proper divisors (75199).

54140417 is an equidigital number, since it uses as much as digits as its factorization.

54140417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75198.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 54140417 is about 7358.0171921517. The cubic root of 54140417 is about 378.3036505442.

The spelling of 54140417 in words is "fifty-four million, one hundred forty thousand, four hundred seventeen".

Divisors: 1 727 74471 54140417