Search a number
-
+
421413210 = 232529161461
BaseRepresentation
bin11001000111100…
…100000101011010
31002100222000020200
4121013210011122
51330340210320
6105452203030
713304644641
oct3107440532
91070860220
10421413210
111a6970a89
12b9169476
13693cb03a
143dd7a358
1526ee3290
hex191e415a

421413210 has 48 divisors (see below), whose sum is σ = 1133463240. Its totient is φ = 108501120.

The previous prime is 421413203. The next prime is 421413241. The reversal of 421413210 is 12314124.

421413210 is a `hidden beast` number, since 42 + 1 + 413 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 288218529 + 133194681 = 16977^2 + 11541^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78121 + ... + 83340.

Almost surely, 2421413210 is an apocalyptic number.

421413210 is an abundant number, since it is smaller than the sum of its proper divisors (712050030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421413210 is a wasteful number, since it uses less digits than its factorization.

421413210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161503 (or 161500 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 421413210 is about 20528.3513707263. The cubic root of 421413210 is about 749.7262467577.

Adding to 421413210 its reverse (12314124), we get a palindrome (433727334).

It can be divided in two parts, 4214 and 13210, that added together give a square (17424 = 1322).

The spelling of 421413210 in words is "four hundred twenty-one million, four hundred thirteen thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 870 1305 2610 161461 322922 484383 807305 968766 1453149 1614610 2421915 2906298 4682369 4843830 7265745 9364738 14047107 14531490 23411845 28094214 42141321 46823690 70235535 84282642 140471070 210706605 421413210