[go: up one dir, main page]

Search a number
-
+
10487425 = 521323261
BaseRepresentation
bin101000000000…
…011010000001
3201201211001011
4220000122001
510141044200
61012440521
7155066404
oct50003201
921654034
1010487425
115a133a3
123619141
1322326a0
14156dd3b
15dc25ba
hexa00681

10487425 has 36 divisors (see below), whose sum is σ = 14880124. Its totient is φ = 7286400.

The previous prime is 10487423. The next prime is 10487437. The reversal of 10487425 is 52478401.

It can be written as a sum of positive squares in 6 ways, for example, as 3732624 + 6754801 = 1932^2 + 2599^2 .

It is not a de Polignac number, because 10487425 - 21 = 10487423 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10487423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 171895 + ... + 171955.

Almost surely, 210487425 is an apocalyptic number.

It is an amenable number.

10487425 is a deficient number, since it is larger than the sum of its proper divisors (4392699).

10487425 is a wasteful number, since it uses less digits than its factorization.

10487425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 10487425 is about 3238.4294032756. The cubic root of 10487425 is about 218.8885054815. Note that the first 3 decimals are identical.

The spelling of 10487425 in words is "ten million, four hundred eighty-seven thousand, four hundred twenty-five".

Divisors: 1 5 13 23 25 61 65 115 299 305 325 529 575 793 1403 1495 1525 2645 3965 6877 7015 7475 13225 18239 19825 32269 34385 35075 91195 161345 171925 419497 455975 806725 2097485 10487425