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51434266 = 21310918149
BaseRepresentation
bin1100010000110…
…1001100011010
310120210010112211
43010031030122
5101131344031
65034225334
71163120062
oct304151432
9116703484
1051434266
1127040364
121528524a
13a86b1a0
146b8c3a2
1547aebb1
hex310d31a

51434266 has 16 divisors (see below), whose sum is σ = 83853000. Its totient is φ = 23519808.

The previous prime is 51434263. The next prime is 51434287. The reversal of 51434266 is 66243415.

It can be written as a sum of positive squares in 4 ways, for example, as 35153041 + 16281225 = 5929^2 + 4035^2 .

It is not an unprimeable number, because it can be changed into a prime (51434261) 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 7 ways as a sum of consecutive naturals, for example, 6241 + ... + 11908.

Almost surely, 251434266 is an apocalyptic number.

51434266 is a deficient number, since it is larger than the sum of its proper divisors (32418734).

51434266 is a wasteful number, since it uses less digits than its factorization.

51434266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18273.

The product of its digits is 17280, while the sum is 31.

The square root of 51434266 is about 7171.7686800398. The cubic root of 51434266 is about 371.8925818112.

It can be divided in two parts, 5143 and 4266, that added together give a square (9409 = 972).

The spelling of 51434266 in words is "fifty-one million, four hundred thirty-four thousand, two hundred sixty-six".

Divisors: 1 2 13 26 109 218 1417 2834 18149 36298 235937 471874 1978241 3956482 25717133 51434266