Search a number
-
+
10487985 = 356591061
BaseRepresentation
bin101000000000…
…100010110001
3201201211210220
4220000202301
510141103420
61012443253
7155101134
oct50004261
921654726
1010487985
115a13862
123619529
132232a11
14157021b
15dc2840
hexa008b1

10487985 has 16 divisors (see below), whose sum is σ = 16822080. Its totient is φ = 5579840.

The previous prime is 10487969. The next prime is 10487999. The reversal of 10487985 is 58978401.

It is not a de Polignac number, because 10487985 - 24 = 10487969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9355 + ... + 10415.

It is an arithmetic number, because the mean of its divisors is an integer number (1051380).

Almost surely, 210487985 is an apocalyptic number.

10487985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10487985 is a deficient number, since it is larger than the sum of its proper divisors (6334095).

10487985 is a wasteful number, since it uses less digits than its factorization.

10487985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 10487985 is about 3238.5158637870. The cubic root of 10487985 is about 218.8924014294.

The spelling of 10487985 in words is "ten million, four hundred eighty-seven thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 659 1061 1977 3183 3295 5305 9885 15915 699199 2097597 3495995 10487985