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51106430 = 255110643
BaseRepresentation
bin1100001011110…
…1001001111110
310120011110211202
43002331021332
5101040401210
65023215502
71160253224
oct302751176
9116143752
1051106430
1126937021
1215147592
13a784bbb
146b04b14
1547479a5
hex30bd27e

51106430 has 8 divisors (see below), whose sum is σ = 91991592. Its totient is φ = 20442568.

The previous prime is 51106427. The next prime is 51106441. The reversal of 51106430 is 3460115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×511064302 = 5223734374689800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555312 + ... + 2555331.

It is an arithmetic number, because the mean of its divisors is an integer number (11498949).

Almost surely, 251106430 is an apocalyptic number.

51106430 is a deficient number, since it is larger than the sum of its proper divisors (40885162).

51106430 is a wasteful number, since it uses less digits than its factorization.

51106430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110650.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 51106430 is about 7148.8761354495. The cubic root of 51106430 is about 371.1007638187.

Adding to 51106430 its reverse (3460115), we get a palindrome (54566545).

The spelling of 51106430 in words is "fifty-one million, one hundred six thousand, four hundred thirty".

Divisors: 1 2 5 10 5110643 10221286 25553215 51106430