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30411 = 3231109
BaseRepresentation
bin111011011001011
31112201100
413123023
51433121
6352443
7154443
oct73313
945640
1030411
1120937
1215723
1310ac4
14b123
159026
hex76cb

30411 has 12 divisors (see below), whose sum is σ = 45760. Its totient is φ = 19440.

The previous prime is 30403. The next prime is 30427. The reversal of 30411 is 11403.

Adding to 30411 its reverse (11403), we get a palindrome (41814).

It can be divided in two parts, 30 and 411, that added together give a square (441 = 212).

It is not a de Polignac number, because 30411 - 23 = 30403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

30411 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 30393 and 30402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431) 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, 225 + ... + 333.

230411 is an apocalyptic number.

30411 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30411 is a deficient number, since it is larger than the sum of its proper divisors (15349).

30411 is a wasteful number, since it uses less digits than its factorization.

30411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 30411 is about 174.3874995520. The cubic root of 30411 is about 31.2135789019.

The spelling of 30411 in words is "thirty thousand, four hundred eleven".

Divisors: 1 3 9 31 93 109 279 327 981 3379 10137 30411