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214866142 = 2137784183
BaseRepresentation
bin11001100111010…
…01100011011110
3112222022022221021
430303221203132
5420001204032
633153154354
75216221621
oct1463514336
9488268837
10214866142
11100317127
125bb5b9ba
1335690a3a
1420771db8
1513ce4097
hexcce98de

214866142 has 8 divisors (see below), whose sum is σ = 324652176. Its totient is φ = 106648752.

The previous prime is 214866139. The next prime is 214866143. The reversal of 214866142 is 241668412.

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

It is a junction number, because it is equal to n+sod(n) for n = 214866098 and 214866107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214866143) 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, 391818 + ... + 392365.

It is an arithmetic number, because the mean of its divisors is an integer number (40581522).

Almost surely, 2214866142 is an apocalyptic number.

214866142 is a deficient number, since it is larger than the sum of its proper divisors (109786034).

214866142 is a wasteful number, since it uses less digits than its factorization.

214866142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784322.

The product of its digits is 18432, while the sum is 34.

The square root of 214866142 is about 14658.3130680171. The cubic root of 214866142 is about 598.9482890655.

The spelling of 214866142 in words is "two hundred fourteen million, eight hundred sixty-six thousand, one hundred forty-two".

Divisors: 1 2 137 274 784183 1568366 107433071 214866142