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163230413 = 1774312923
BaseRepresentation
bin10011011101010…
…11001011001101
3102101010222000212
421232223023031
5313241333123
624110332205
74021302263
oct1156531315
9371128025
10163230413
1184159475
12467ba065
1327a81c58
1417970433
15e4e4878
hex9bab2cd

163230413 has 8 divisors (see below), whose sum is σ = 173078208. Its totient is φ = 153409984.

The previous prime is 163230391. The next prime is 163230427. The reversal of 163230413 is 314032361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163230413 - 226 = 96121549 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 (163230493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6170 + ... + 19092.

It is an arithmetic number, because the mean of its divisors is an integer number (21634776).

Almost surely, 2163230413 is an apocalyptic number.

It is an amenable number.

163230413 is a deficient number, since it is larger than the sum of its proper divisors (9847795).

163230413 is a wasteful number, since it uses less digits than its factorization.

163230413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13683.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 163230413 is about 12776.1658176465. The cubic root of 163230413 is about 546.5128273161.

Adding to 163230413 its reverse (314032361), we get a palindrome (477262774).

The spelling of 163230413 in words is "one hundred sixty-three million, two hundred thirty thousand, four hundred thirteen".

Divisors: 1 17 743 12631 12923 219691 9601789 163230413