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2842678438 = 21421339219
BaseRepresentation
bin1010100101101111…
…1101010010100110
321100010000000201121
42221123331102212
521310211202223
61150024244154
7130305240145
oct25133752246
97303000647
102842678438
111229688426
1267401065a
13363c20c62
141cd77375c
1511986a15d
hexa96fd4a6

2842678438 has 4 divisors (see below), whose sum is σ = 4264017660. Its totient is φ = 1421339218.

The previous prime is 2842678417. The next prime is 2842678481. The reversal of 2842678438 is 8348762482.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710669608 + ... + 710669611.

It is an arithmetic number, because the mean of its divisors is an integer number (1066004415).

Almost surely, 22842678438 is an apocalyptic number.

2842678438 is a deficient number, since it is larger than the sum of its proper divisors (1421339222).

2842678438 is a wasteful number, since it uses less digits than its factorization.

2842678438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421339221.

The product of its digits is 4128768, while the sum is 52.

The square root of 2842678438 is about 53316.7744523241. The cubic root of 2842678438 is about 1416.5848031188.

The spelling of 2842678438 in words is "two billion, eight hundred forty-two million, six hundred seventy-eight thousand, four hundred thirty-eight".

Divisors: 1 2 1421339219 2842678438