Search a number
-
+
674425 = 5253509
BaseRepresentation
bin10100100101001111001
31021021010201
42210221321
5133040200
622242201
75506153
oct2445171
91237121
10674425
11420784
12286361
131a7c8b
14137ad3
15d4c6a
hexa4a79

674425 has 12 divisors (see below), whose sum is σ = 853740. Its totient is φ = 528320.

The previous prime is 674419. The next prime is 674431. The reversal of 674425 is 524476.

674425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (674419) and next prime (674431).

It can be written as a sum of positive squares in 6 ways, for example, as 13456 + 660969 = 116^2 + 813^2 .

It is not a de Polignac number, because 674425 - 25 = 674393 is a prime.

674425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 674393 and 674402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1071 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (71145).

2674425 is an apocalyptic number.

It is an amenable number.

674425 is a deficient number, since it is larger than the sum of its proper divisors (179315).

674425 is a wasteful number, since it uses less digits than its factorization.

674425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 567 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 674425 is about 821.2338278469. The cubic root of 674425 is about 87.6956167711.

The spelling of 674425 in words is "six hundred seventy-four thousand, four hundred twenty-five".

Divisors: 1 5 25 53 265 509 1325 2545 12725 26977 134885 674425