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211414444 = 22199073067
BaseRepresentation
bin11001001100111…
…10110110101100
3112201210222002121
430212132312230
5413110230234
632551202324
75144664433
oct1446366654
9481728077
10211414444
11a937988a
125a9763a4
1334a52907
142011411a
15138614b4
hexc99edac

211414444 has 24 divisors (see below), whose sum is σ = 390004160. Its totient is φ = 100000656.

The previous prime is 211414429. The next prime is 211414457. The reversal of 211414444 is 444414112.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67399 + ... + 70465.

Almost surely, 2211414444 is an apocalyptic number.

It is an amenable number.

211414444 is a deficient number, since it is larger than the sum of its proper divisors (178589716).

211414444 is a wasteful number, since it uses less digits than its factorization.

211414444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997 (or 3995 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 211414444 is about 14540.0977988458. The cubic root of 211414444 is about 595.7237094533.

Adding to 211414444 its reverse (444414112), we get a palindrome (655828556).

The spelling of 211414444 in words is "two hundred eleven million, four hundred fourteen thousand, four hundred forty-four".

Divisors: 1 2 4 19 38 76 907 1814 3067 3628 6134 12268 17233 34466 58273 68932 116546 233092 2781769 5563538 11127076 52853611 105707222 211414444