Search a number
-
+
51363228 = 2237611467
BaseRepresentation
bin1100001111101…
…1110110011100
310120122112002210
43003323312130
5101122110403
65032520420
71162403010
oct303736634
9116575083
1051363228
1126aa1a54
1215250110
13a844a57
146b70540
154798b03
hex30fbd9c

51363228 has 24 divisors (see below), whose sum is σ = 136968832. Its totient is φ = 14675184.

The previous prime is 51363211. The next prime is 51363229. The reversal of 51363228 is 82236315.

It is a junction number, because it is equal to n+sod(n) for n = 51363195 and 51363204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51363229) 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, 305650 + ... + 305817.

Almost surely, 251363228 is an apocalyptic number.

It is an amenable number.

51363228 is an abundant number, since it is smaller than the sum of its proper divisors (85605604).

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

51363228 is a wasteful number, since it uses less digits than its factorization.

51363228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611481 (or 611479 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 51363228 is about 7166.8143550674. The cubic root of 51363228 is about 371.7212908335.

The spelling of 51363228 in words is "fifty-one million, three hundred sixty-three thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 611467 1222934 1834401 2445868 3668802 4280269 7337604 8560538 12840807 17121076 25681614 51363228