Search a number
-
+
214481530 = 2521448153
BaseRepresentation
bin11001100100010…
…11101001111010
3112221120210100101
430302023221322
5414401402110
633141030014
75213030404
oct1462135172
9487523311
10214481530
1110008416a
125b9b530a
1335587963
14206b1b74
1513c6a13a
hexcc8ba7a

214481530 has 8 divisors (see below), whose sum is σ = 386066772. Its totient is φ = 85792608.

The previous prime is 214481507. The next prime is 214481543. The reversal of 214481530 is 35184412.

It can be written as a sum of positive squares in 2 ways, for example, as 208831401 + 5650129 = 14451^2 + 2377^2 .

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

It is a super-2 number, since 2×2144815302 = 92004653422281800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10724067 + ... + 10724086.

Almost surely, 2214481530 is an apocalyptic number.

214481530 is a deficient number, since it is larger than the sum of its proper divisors (171585242).

214481530 is a wasteful number, since it uses less digits than its factorization.

214481530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21448160.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 214481530 is about 14645.1879468991. The cubic root of 214481530 is about 598.5907016479.

The spelling of 214481530 in words is "two hundred fourteen million, four hundred eighty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 21448153 42896306 107240765 214481530