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51492253 = 712293167
BaseRepresentation
bin1100010001101…
…1010110011101
310120220002002111
43010123112131
5101140223003
65035354021
71163451121
oct304332635
9116802074
1051492253
112707a98a
12152b2911
13a88b6b7
146ba5581
1547c1e6d
hex311b59d

51492253 has 8 divisors (see below), whose sum is σ = 52462080. Its totient is φ = 50529360.

The previous prime is 51492173. The next prime is 51492257. The reversal of 51492253 is 35229415.

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 51492253 - 217 = 51361181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51492257) 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, 14676 + ... + 17842.

It is an arithmetic number, because the mean of its divisors is an integer number (6557760).

Almost surely, 251492253 is an apocalyptic number.

It is an amenable number.

51492253 is a deficient number, since it is larger than the sum of its proper divisors (969827).

51492253 is a wasteful number, since it uses less digits than its factorization.

51492253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467.

The product of its digits is 10800, while the sum is 31.

The square root of 51492253 is about 7175.8102678374. The cubic root of 51492253 is about 372.0322865761.

The spelling of 51492253 in words is "fifty-one million, four hundred ninety-two thousand, two hundred fifty-three".

Divisors: 1 71 229 3167 16259 224857 725243 51492253