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BaseRepresentation
bin1100101001001…
…0010010111100
310200210002210001
43022102102330
5102033344103
65132324044
71212505444
oct312222274
9120702701
1053028028
1127a29819
1215913624
13aca8741
147085124
1549c701d
hex32924bc

53028028 has 6 divisors (see below), whose sum is σ = 92799056. Its totient is φ = 26514012.

The previous prime is 53027977. The next prime is 53028043. The reversal of 53028028 is 82082035.

It is a junction number, because it is equal to n+sod(n) for n = 53027987 and 53028005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6628500 + ... + 6628507.

Almost surely, 253028028 is an apocalyptic number.

It is an amenable number.

53028028 is a deficient number, since it is larger than the sum of its proper divisors (39771028).

53028028 is a wasteful number, since it uses less digits than its factorization.

53028028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13257011 (or 13257009 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 53028028 is about 7282.0346057953. The cubic root of 53028028 is about 375.6947783303.

The spelling of 53028028 in words is "fifty-three million, twenty-eight thousand, twenty-eight".

Divisors: 1 2 4 13257007 26514014 53028028