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54180741 = 318060247
BaseRepresentation
bin1100111010101…
…1101110000101
310202221200000010
43032223232011
5102332240431
65213140433
71225346226
oct316535605
9122850003
1054180741
112864687a
121618a719
13b2c0314
1472a524d
154b53846
hex33abb85

54180741 has 4 divisors (see below), whose sum is σ = 72240992. Its totient is φ = 36120492.

The previous prime is 54180719. The next prime is 54180757. The reversal of 54180741 is 14708145.

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.

It is not a de Polignac number, because 54180741 - 26 = 54180677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54180699 and 54180708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54180701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9030121 + ... + 9030126.

It is an arithmetic number, because the mean of its divisors is an integer number (18060248).

Almost surely, 254180741 is an apocalyptic number.

It is an amenable number.

54180741 is a deficient number, since it is larger than the sum of its proper divisors (18060251).

54180741 is a wasteful number, since it uses less digits than its factorization.

54180741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18060250.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 54180741 is about 7360.7568225013. The cubic root of 54180741 is about 378.3975479290.

Adding to 54180741 its reverse (14708145), we get a palindrome (68888886).

The spelling of 54180741 in words is "fifty-four million, one hundred eighty thousand, seven hundred forty-one".

Divisors: 1 3 18060247 54180741