Search a number
-
+
1830525 = 35224407
BaseRepresentation
bin110111110111001111101
310110000000020
412332321331
5432034100
6103122353
721362544
oct6767175
93400006
101830525
111040334
127433b9
134c1268
1435915b
152625a0
hex1bee7d

1830525 has 12 divisors (see below), whose sum is σ = 3026592. Its totient is φ = 976240.

The previous prime is 1830523. The next prime is 1830533. The reversal of 1830525 is 5250381.

It is not a de Polignac number, because 1830525 - 21 = 1830523 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1830495 and 1830504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12129 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (252216).

21830525 is an apocalyptic number.

1830525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1830525 is a deficient number, since it is larger than the sum of its proper divisors (1196067).

1830525 is a wasteful number, since it uses less digits than its factorization.

1830525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24420 (or 24415 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1830525 is about 1352.9689575153. The cubic root of 1830525 is about 122.3278158477.

The spelling of 1830525 in words is "one million, eight hundred thirty thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 24407 73221 122035 366105 610175 1830525