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5289978 = 23881663
BaseRepresentation
bin10100001011011111111010
3100221202111010
4110023133322
52323234403
6305214350
762651451
oct24133772
910852433
105289978
112a93491
1219313b6
131132a85
149b9b98
156e7603
hex50b7fa

5289978 has 8 divisors (see below), whose sum is σ = 10579968. Its totient is φ = 1763324.

The previous prime is 5289967. The next prime is 5289979. The reversal of 5289978 is 8799825.

It is a happy number.

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

5289978 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5289979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440826 + ... + 440837.

It is an arithmetic number, because the mean of its divisors is an integer number (1322496).

Almost surely, 25289978 is an apocalyptic number.

5289978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5289978 is a wasteful number, since it uses less digits than its factorization.

5289978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881668.

The product of its digits is 362880, while the sum is 48.

The square root of 5289978 is about 2299.9952173863. The cubic root of 5289978 is about 174.2413746128.

The spelling of 5289978 in words is "five million, two hundred eighty-nine thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 881663 1763326 2644989 5289978