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214750047 = 371583349
BaseRepresentation
bin11001100110011…
…01001101011111
3112222002102200110
430303031031133
5414434000142
633150501103
75215226301
oct1463151537
9488072613
10214750047
11100247986
125bb04793
133564cc45
1420741971
1513cbe99c
hexcccd35f

214750047 has 4 divisors (see below), whose sum is σ = 286333400. Its totient is φ = 143166696.

The previous prime is 214750043. The next prime is 214750061. The reversal of 214750047 is 740057412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 214750047 - 22 = 214750043 is a prime.

It is a super-2 number, since 2×2147500472 = 92235165373004418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214749996 and 214750023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214750043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35791672 + ... + 35791677.

It is an arithmetic number, because the mean of its divisors is an integer number (71583350).

Almost surely, 2214750047 is an apocalyptic number.

214750047 is a deficient number, since it is larger than the sum of its proper divisors (71583353).

214750047 is an equidigital number, since it uses as much as digits as its factorization.

214750047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71583352.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 214750047 is about 14654.3524933721. The cubic root of 214750047 is about 598.8403964208.

The spelling of 214750047 in words is "two hundred fourteen million, seven hundred fifty thousand, forty-seven".

Divisors: 1 3 71583349 214750047