Search a number
-
+
29825413 = 89335117
BaseRepresentation
bin111000111000…
…1100110000101
32002010021202221
41301301212011
530113403123
62543132341
7511340362
oct161614605
962107687
1029825413
1115921302
129ba40b1
136243697
143d65469
15294225d
hex1c71985

29825413 has 4 divisors (see below), whose sum is σ = 30160620. Its totient is φ = 29490208.

The previous prime is 29825407. The next prime is 29825431. The reversal of 29825413 is 31452892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10876804 + 18948609 = 3298^2 + 4353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29825413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29825443) 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, 167470 + ... + 167647.

It is an arithmetic number, because the mean of its divisors is an integer number (7540155).

Almost surely, 229825413 is an apocalyptic number.

It is an amenable number.

29825413 is a deficient number, since it is larger than the sum of its proper divisors (335207).

29825413 is an equidigital number, since it uses as much as digits as its factorization.

29825413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335206.

The product of its digits is 17280, while the sum is 34.

The square root of 29825413 is about 5461.2647802501. The cubic root of 29825413 is about 310.1193193125.

The spelling of 29825413 in words is "twenty-nine million, eight hundred twenty-five thousand, four hundred thirteen".

Divisors: 1 89 335117 29825413