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51410890 = 2517302417
BaseRepresentation
bin1100010000011…
…1011111001010
310120201221111001
43010013133022
5101130122030
65033525214
71162661656
oct304073712
9116657431
1051410890
1127024843
121527380a
13a86065b
146b83a66
1547a7cca
hex31077ca

51410890 has 16 divisors (see below), whose sum is σ = 97983432. Its totient is φ = 19354624.

The previous prime is 51410869. The next prime is 51410899. The reversal of 51410890 is 9801415.

It is a happy number.

51410890 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 4 ways, for example, as 48288601 + 3122289 = 6949^2 + 1767^2 .

It is a super-2 number, since 2×514108902 = 5286159221184200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51410899) 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 7 ways as a sum of consecutive naturals, for example, 151039 + ... + 151378.

Almost surely, 251410890 is an apocalyptic number.

51410890 is a deficient number, since it is larger than the sum of its proper divisors (46572542).

51410890 is a wasteful number, since it uses less digits than its factorization.

51410890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302441.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 51410890 is about 7170.1387713210. The cubic root of 51410890 is about 371.8362336540.

The spelling of 51410890 in words is "fifty-one million, four hundred ten thousand, eight hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 302417 604834 1512085 3024170 5141089 10282178 25705445 51410890