Search a number
-
+
51028896 = 253531551
BaseRepresentation
bin1100001010101…
…0001110100000
310120000112111010
43002222032200
5101030411041
65021420520
71156511202
oct302521640
9116015433
1051028896
1126893846
121510a740
13a758819
146ac4772
15472ea16
hex30aa3a0

51028896 has 24 divisors (see below), whose sum is σ = 133951104. Its totient is φ = 17009600.

The previous prime is 51028871. The next prime is 51028903. The reversal of 51028896 is 69882015.

It is a tau number, because it is divible by the number of its divisors (24).

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, 265680 + ... + 265871.

It is an arithmetic number, because the mean of its divisors is an integer number (5581296).

Almost surely, 251028896 is an apocalyptic number.

It is an amenable number.

51028896 is an abundant number, since it is smaller than the sum of its proper divisors (82922208).

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

51028896 is a wasteful number, since it uses less digits than its factorization.

51028896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531564 (or 531556 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 51028896 is about 7143.4512667197. The cubic root of 51028896 is about 370.9130021258.

The spelling of 51028896 in words is "fifty-one million, twenty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 531551 1063102 1594653 2126204 3189306 4252408 6378612 8504816 12757224 17009632 25514448 51028896