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54674681 = 359315217
BaseRepresentation
bin1101000010010…
…0010011111001
310210212202120012
43100210103321
5102444042211
65231511305
71232504255
oct320442371
9123782505
1054674681
1128953996
1216388535
13b4340a9
147393265
154beed8b
hex34244f9

54674681 has 4 divisors (see below), whose sum is σ = 54693492. Its totient is φ = 54655872.

The previous prime is 54674671. The next prime is 54674687. The reversal of 54674681 is 18647645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32959081 + 21715600 = 5741^2 + 4660^2 .

It is a cyclic number.

It is not a de Polignac number, because 54674681 - 214 = 54658297 is a prime.

It is a super-2 number, since 2×546746812 = 5978641484903522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54674687) 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, 4016 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (13673373).

Almost surely, 254674681 is an apocalyptic number.

It is an amenable number.

54674681 is a deficient number, since it is larger than the sum of its proper divisors (18811).

54674681 is a wasteful number, since it uses less digits than its factorization.

54674681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18810.

The product of its digits is 161280, while the sum is 41.

The square root of 54674681 is about 7394.2329554863. The cubic root of 54674681 is about 379.5439612361.

It can be divided in two parts, 54674 and 681, that added together give a palindrome (55355).

The spelling of 54674681 in words is "fifty-four million, six hundred seventy-four thousand, six hundred eighty-one".

Divisors: 1 3593 15217 54674681