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284106427 = 1128328289
BaseRepresentation
bin10000111011110…
…001111010111011
3201210121002202021
4100323301322323
51040212401202
644105215311
710016602423
oct2073617273
9653532667
10284106427
11136409400
127b191537
1346b24817
1429a37483
1519e1ea37
hex10ef1ebb

284106427 has 12 divisors (see below), whose sum is σ = 316055880. Its totient is φ = 255157760.

The previous prime is 284106421. The next prime is 284106439. The reversal of 284106427 is 724601482.

It is a happy number.

It is not a de Polignac number, because 284106427 - 215 = 284073659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 284106392 and 284106401.

It is not an unprimeable number, because it can be changed into a prime (284106421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4102 + ... + 24187.

It is an arithmetic number, because the mean of its divisors is an integer number (26337990).

Almost surely, 2284106427 is an apocalyptic number.

284106427 is a deficient number, since it is larger than the sum of its proper divisors (31949453).

284106427 is a wasteful number, since it uses less digits than its factorization.

284106427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28394 (or 28383 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 284106427 is about 16855.4568908707. The cubic root of 284106427 is about 657.3959428014.

The spelling of 284106427 in words is "two hundred eighty-four million, one hundred six thousand, four hundred twenty-seven".

Divisors: 1 11 83 121 913 10043 28289 311179 2347987 3422969 25827857 284106427