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52861904 = 2424113709
BaseRepresentation
bin1100100110100…
…1101111010000
310200110122220022
43021221233100
5102013040104
65125003012
71211214224
oct311515720
9120418808
1052861904
1127925a27
1215853468
13ac4ac44
147040784
154992bbe
hex3269bd0

52861904 has 20 divisors (see below), whose sum is σ = 102852420. Its totient is φ = 26319360.

The previous prime is 52861903. The next prime is 52861909. The reversal of 52861904 is 40916825.

52861904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42876304 + 9985600 = 6548^2 + 3160^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52861901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2999 + ... + 10710.

It is an arithmetic number, because the mean of its divisors is an integer number (5142621).

Almost surely, 252861904 is an apocalyptic number.

It is an amenable number.

52861904 is a deficient number, since it is larger than the sum of its proper divisors (49990516).

52861904 is a wasteful number, since it uses less digits than its factorization.

52861904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13958 (or 13952 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 52861904 is about 7270.6192308496. The cubic root of 52861904 is about 375.3020476103.

The spelling of 52861904 in words is "fifty-two million, eight hundred sixty-one thousand, nine hundred four".

Divisors: 1 2 4 8 16 241 482 964 1928 3856 13709 27418 54836 109672 219344 3303869 6607738 13215476 26430952 52861904