Search a number
-
+
487025 = 52711223
BaseRepresentation
bin1110110111001110001
3220202001222
41312321301
5111041100
614234425
74065620
oct1667161
9822058
10487025
11302a00
121b5a15
131408a6
14c96b7
1599485
hex76e71

487025 has 36 divisors (see below), whose sum is σ = 791616. Its totient is φ = 290400.

The previous prime is 487021. The next prime is 487049. The reversal of 487025 is 520784.

It is not a de Polignac number, because 487025 - 22 = 487021 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 486985 and 487003.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 487025.

It is not an unprimeable number, because it can be changed into a prime (487021) 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, 21164 + ... + 21186.

2487025 is an apocalyptic number.

It is an amenable number.

487025 is a deficient number, since it is larger than the sum of its proper divisors (304591).

487025 is a wasteful number, since it uses less digits than its factorization.

487025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 487025 is about 697.8717647247. The cubic root of 487025 is about 78.6774758520.

It can be divided in two parts, 4 and 87025, that multiplied together give a square (348100 = 5902).

The spelling of 487025 in words is "four hundred eighty-seven thousand, twenty-five".

Divisors: 1 5 7 11 23 25 35 55 77 115 121 161 175 253 275 385 575 605 805 847 1265 1771 1925 2783 3025 4025 4235 6325 8855 13915 19481 21175 44275 69575 97405 487025