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51434351 = 1013131627
BaseRepresentation
bin1100010000110…
…1001101101111
310120210010122222
43010031031233
5101131344401
65034225555
71163120243
oct304151557
9116703588
1051434351
1127040431
12152852bb
13a86b237
146b8c423
1547aec1b
hex310d36f

51434351 has 8 divisors (see below), whose sum is σ = 52141584. Its totient is φ = 50731200.

The previous prime is 51434303. The next prime is 51434423. The reversal of 51434351 is 15343415.

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

It is a cyclic number.

It is not a de Polignac number, because 51434351 - 26 = 51434287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51434351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51439351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30800 + ... + 32426.

It is an arithmetic number, because the mean of its divisors is an integer number (6517698).

Almost surely, 251434351 is an apocalyptic number.

51434351 is a deficient number, since it is larger than the sum of its proper divisors (707233).

51434351 is a wasteful number, since it uses less digits than its factorization.

51434351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its digits is 3600, while the sum is 26.

The square root of 51434351 is about 7171.7746060511. The cubic root of 51434351 is about 371.8927866737.

Adding to 51434351 its reverse (15343415), we get a palindrome (66777766).

The spelling of 51434351 in words is "fifty-one million, four hundred thirty-four thousand, three hundred fifty-one".

Divisors: 1 101 313 1627 31613 164327 509251 51434351