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284686242 = 23433109579
BaseRepresentation
bin10000111101111…
…111011110100010
3201211200120002220
4100331333132202
51040334424432
644125451510
710024536021
oct2075773642
9654616086
10284686242
11136774a95
127b410b96
1346c986c9
1429b488b8
1519ed672c
hex10f7f7a2

284686242 has 16 divisors (see below), whose sum is σ = 570692640. Its totient is φ = 94675392.

The previous prime is 284686231. The next prime is 284686277. The reversal of 284686242 is 242686482.

It is a junction number, because it is equal to n+sod(n) for n = 284686194 and 284686203.

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, 52192 + ... + 57387.

It is an arithmetic number, because the mean of its divisors is an integer number (35668290).

Almost surely, 2284686242 is an apocalyptic number.

284686242 is an abundant number, since it is smaller than the sum of its proper divisors (286006398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284686242 is a wasteful number, since it uses less digits than its factorization.

284686242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110017.

The product of its digits is 294912, while the sum is 42.

The square root of 284686242 is about 16872.6477471676. The cubic root of 284686242 is about 657.8428516418.

The spelling of 284686242 in words is "two hundred eighty-four million, six hundred eighty-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 433 866 1299 2598 109579 219158 328737 657474 47447707 94895414 142343121 284686242