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214010993 = 730572999
BaseRepresentation
bin11001100000110…
…00110001110001
3112220200212220002
430300120301301
5414241322433
633122555345
75206030520
oct1460306161
9486625802
10214010993
11aa892699
125b808b55
1335451731
14205cc4b7
1513bc59e8
hexcc18c71

214010993 has 4 divisors (see below), whose sum is σ = 244584000. Its totient is φ = 183437988.

The previous prime is 214010989. The next prime is 214010999. The reversal of 214010993 is 399010412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214010993 - 22 = 214010989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214010999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15286493 + ... + 15286506.

It is an arithmetic number, because the mean of its divisors is an integer number (61146000).

Almost surely, 2214010993 is an apocalyptic number.

It is an amenable number.

214010993 is a deficient number, since it is larger than the sum of its proper divisors (30573007).

214010993 is an equidigital number, since it uses as much as digits as its factorization.

214010993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30573006.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 214010993 is about 14629.1145665074. The cubic root of 214010993 is about 598.1526448208.

The spelling of 214010993 in words is "two hundred fourteen million, ten thousand, nine hundred ninety-three".

Divisors: 1 7 30572999 214010993