Search a number
-
+
425028 = 22335419
BaseRepresentation
bin1100111110001000100
3210121000210
41213301010
5102100103
613035420
73420102
oct1476104
9717023
10425028
1127036a
12185b70
1311b5c6
14b0c72
1585e03
hex67c44

425028 has 12 divisors (see below), whose sum is σ = 991760. Its totient is φ = 141672.

The previous prime is 425027. The next prime is 425039. The reversal of 425028 is 820524.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 424995 and 425013.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425028.

It is not an unprimeable number, because it can be changed into a prime (425027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17698 + ... + 17721.

2425028 is an apocalyptic number.

It is an amenable number.

425028 is an abundant number, since it is smaller than the sum of its proper divisors (566732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425028 is a wasteful number, since it uses less digits than its factorization.

425028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35426 (or 35424 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 425028 is about 651.9417151863. The cubic root of 425028 is about 75.1863808896.

It can be divided in two parts, 4250 and 28, that added together give a triangular number (4278 = T92).

The spelling of 425028 in words is "four hundred twenty-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 35419 70838 106257 141676 212514 425028