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51450234 = 23112926881
BaseRepresentation
bin1100010001000…
…1000101111010
310120210221110020
43010101011322
5101132401414
65034431310
71163214453
oct304210572
9116727406
1051450234
1127051360
1215292536
13a875534
146b9412a
1547b47a9
hex311117a

51450234 has 32 divisors (see below), whose sum is σ = 116130240. Its totient is φ = 15052800.

The previous prime is 51450209. The next prime is 51450253. The reversal of 51450234 is 43205415.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11527 + ... + 15354.

It is an arithmetic number, because the mean of its divisors is an integer number (3629070).

Almost surely, 251450234 is an apocalyptic number.

51450234 is an abundant number, since it is smaller than the sum of its proper divisors (64680006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51450234 is a wasteful number, since it uses less digits than its factorization.

51450234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26926.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 51450234 is about 7172.8818476258. The cubic root of 51450234 is about 371.9310630727.

Adding to 51450234 its reverse (43205415), we get a palindrome (94655649).

The spelling of 51450234 in words is "fifty-one million, four hundred fifty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 11 22 29 33 58 66 87 174 319 638 957 1914 26881 53762 80643 161286 295691 591382 779549 887073 1559098 1774146 2338647 4677294 8575039 17150078 25725117 51450234