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51134630 = 2512893967
BaseRepresentation
bin1100001100010…
…0000010100110
310120012220112012
43003010002212
5101042302010
65023554222
71160431361
oct303040246
9116186465
1051134630
1126956228
121515b972
13a7949a1
146b110d8
154751005
hex30c40a6

51134630 has 16 divisors (see below), whose sum is σ = 92136960. Its totient is φ = 20432832.

The previous prime is 51134599. The next prime is 51134641. The reversal of 51134630 is 3643115.

It is a happy number.

It is a super-2 number, since 2×511346302 = 5229500770473800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51134596 and 51134605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10907 + ... + 14873.

It is an arithmetic number, because the mean of its divisors is an integer number (5758560).

Almost surely, 251134630 is an apocalyptic number.

51134630 is a deficient number, since it is larger than the sum of its proper divisors (41002330).

51134630 is a wasteful number, since it uses less digits than its factorization.

51134630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51134630 is about 7150.8482014374. The cubic root of 51134630 is about 371.1690077904.

Adding to 51134630 its reverse (3643115), we get a palindrome (54777745).

The spelling of 51134630 in words is "fifty-one million, one hundred thirty-four thousand, six hundred thirty".

Divisors: 1 2 5 10 1289 2578 3967 6445 7934 12890 19835 39670 5113463 10226926 25567315 51134630