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54720026 = 227360013
BaseRepresentation
bin1101000010111…
…1011000011010
310210222001202122
43100233120122
5103002020101
65232501242
71233053414
oct320573032
9123861678
1054720026
1128984a69
12163aa822
13b44b91a
1473a59b4
154c0d51b
hex342f61a

54720026 has 4 divisors (see below), whose sum is σ = 82080042. Its totient is φ = 27360012.

The previous prime is 54720023. The next prime is 54720041. The reversal of 54720026 is 62002745.

54720026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 33051001 + 21669025 = 5749^2 + 4655^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54719977 and 54720004.

It is not an unprimeable number, because it can be changed into a prime (54720023) 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 as a sum of consecutive naturals, namely, 13680005 + ... + 13680008.

Almost surely, 254720026 is an apocalyptic number.

54720026 is a deficient number, since it is larger than the sum of its proper divisors (27360016).

54720026 is a wasteful number, since it uses less digits than its factorization.

54720026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27360015.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 54720026 is about 7397.2985609613. The cubic root of 54720026 is about 379.6488584507.

The spelling of 54720026 in words is "fifty-four million, seven hundred twenty thousand, twenty-six".

Divisors: 1 2 27360013 54720026