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215414002 = 2191643877
BaseRepresentation
bin11001101011011…
…11010011110010
3120000100011110101
430311233103302
5420121222002
633213023014
75223663106
oct1465572362
9500304411
10215414002
11100660801
1260184a6a
133582320b
1420875906
1513da1587
hexcd6f4f2

215414002 has 16 divisors (see below), whose sum is σ = 325688832. Its totient is φ = 106854480.

The previous prime is 215413937. The next prime is 215414027. The reversal of 215414002 is 200414512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245188 + ... + 246064.

It is an arithmetic number, because the mean of its divisors is an integer number (20355552).

Almost surely, 2215414002 is an apocalyptic number.

215414002 is a deficient number, since it is larger than the sum of its proper divisors (110274830).

215414002 is a wasteful number, since it uses less digits than its factorization.

215414002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 215414002 is about 14676.9888601171. The cubic root of 215414002 is about 599.4569178439.

Adding to 215414002 its reverse (200414512), we get a palindrome (415828514).

The spelling of 215414002 in words is "two hundred fifteen million, four hundred fourteen thousand, two".

Divisors: 1 2 191 382 643 877 1286 1754 122813 167507 245626 335014 563911 1127822 107707001 215414002