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52804778 = 2132030953
BaseRepresentation
bin1100100101101…
…1110010101010
310200100202112112
43021123302222
5102004223103
65123442322
71210555535
oct311336252
9120322475
1052804778
1127897014
12158263a2
13ac2ac40
147027a1c
154980cd8
hex325bcaa

52804778 has 8 divisors (see below), whose sum is σ = 85300068. Its totient is φ = 24371424.

The previous prime is 52804733. The next prime is 52804789. The reversal of 52804778 is 87740825.

It can be written as a sum of positive squares in 2 ways, for example, as 37540129 + 15264649 = 6127^2 + 3907^2 .

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

It is a Curzon number.

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, 1015451 + ... + 1015502.

Almost surely, 252804778 is an apocalyptic number.

52804778 is a deficient number, since it is larger than the sum of its proper divisors (32495290).

52804778 is a wasteful number, since it uses less digits than its factorization.

52804778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030968.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 52804778 is about 7266.6896177008. The cubic root of 52804778 is about 375.1668069753.

The spelling of 52804778 in words is "fifty-two million, eight hundred four thousand, seven hundred seventy-eight".

Divisors: 1 2 13 26 2030953 4061906 26402389 52804778