Search a number
-
+
421613230 = 25192396479
BaseRepresentation
bin11001001000010…
…100111010101110
31002101100011121211
4121020110322232
51330413110410
6105500345034
713306440043
oct3110247256
91071304554
10421613230
111a6a98295
12b924517a
136946b0ac
143ddcd1ca
152703268a
hex19214eae

421613230 has 32 divisors (see below), whose sum is σ = 833587200. Its totient is φ = 152821152.

The previous prime is 421613221. The next prime is 421613239. The reversal of 421613230 is 32316124.

It is an interprime number because it is at equal distance from previous prime (421613221) and next prime (421613239).

It is a super-2 number, since 2×4216132302 = 355515431422065800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421613239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43870 + ... + 52609.

It is an arithmetic number, because the mean of its divisors is an integer number (26049600).

Almost surely, 2421613230 is an apocalyptic number.

421613230 is a deficient number, since it is larger than the sum of its proper divisors (411973970).

421613230 is a wasteful number, since it uses less digits than its factorization.

421613230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96528.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 421613230 is about 20533.2225916927. Note that the first 3 decimals coincide. The cubic root of 421613230 is about 749.8448449418.

Adding to 421613230 its reverse (32316124), we get a palindrome (453929354).

The spelling of 421613230 in words is "four hundred twenty-one million, six hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 19 23 38 46 95 115 190 230 437 874 2185 4370 96479 192958 482395 964790 1833101 2219017 3666202 4438034 9165505 11095085 18331010 22190170 42161323 84322646 210806615 421613230