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51268434 = 2376072011
BaseRepresentation
bin1100001110010…
…0101101010010
310120110201001220
43003210231102
5101111042214
65030505510
71161526440
oct303445522
9116421056
1051268434
1126a37808
1215205296
13a810869
146b47b90
15477a9a9
hex30e4b52

51268434 has 32 divisors (see below), whose sum is σ = 117436416. Its totient is φ = 14616720.

The previous prime is 51268423. The next prime is 51268457. The reversal of 51268434 is 43486215.

It is a junction number, because it is equal to n+sod(n) for n = 51268395 and 51268404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24489 + ... + 26499.

It is an arithmetic number, because the mean of its divisors is an integer number (3669888).

Almost surely, 251268434 is an apocalyptic number.

51268434 is an abundant number, since it is smaller than the sum of its proper divisors (66167982).

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

51268434 is a wasteful number, since it uses less digits than its factorization.

51268434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630.

The product of its digits is 23040, while the sum is 33.

The square root of 51268434 is about 7160.1979022929. The cubic root of 51268434 is about 371.4924718321.

The spelling of 51268434 in words is "fifty-one million, two hundred sixty-eight thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 607 1214 1821 2011 3642 4022 4249 6033 8498 12066 12747 14077 25494 28154 42231 84462 1220677 2441354 3662031 7324062 8544739 17089478 25634217 51268434