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5400985 = 51763541
BaseRepresentation
bin10100100110100110011001
3101011101202111
4110212212121
52340312420
6311432321
763623212
oct24464631
911141674
105400985
113059927
1219856a1
131171465
14a08409
1571a45a
hex526999

5400985 has 8 divisors (see below), whose sum is σ = 6862536. Its totient is φ = 4066560.

The previous prime is 5400979. The next prime is 5401003. The reversal of 5400985 is 5890045.

It can be written as a sum of positive squares in 4 ways, for example, as 1937664 + 3463321 = 1392^2 + 1861^2 .

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

It is not a de Polignac number, because 5400985 - 25 = 5400953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31686 + ... + 31855.

It is an arithmetic number, because the mean of its divisors is an integer number (857817).

Almost surely, 25400985 is an apocalyptic number.

It is an amenable number.

5400985 is a deficient number, since it is larger than the sum of its proper divisors (1461551).

5400985 is a wasteful number, since it uses less digits than its factorization.

5400985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63563.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5400985 is about 2324.0019363159. The cubic root of 5400985 is about 175.4517308941.

The spelling of 5400985 in words is "five million, four hundred thousand, nine hundred eighty-five".

Divisors: 1 5 17 85 63541 317705 1080197 5400985