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2830386204 = 223278621839
BaseRepresentation
bin1010100010110100…
…0100010000011100
321022020212111221200
42220231010100130
521244034324304
61144504555500
7130065612552
oct25055042034
97266774850
102830386204
111222752058
1266ba82b90
13361508c49
141cbc93bd2
1511873ce39
hexa8b4441c

2830386204 has 18 divisors (see below), whose sum is σ = 7154587440. Its totient is φ = 943462056.

The previous prime is 2830386197. The next prime is 2830386239. The reversal of 2830386204 is 4026830382.

2830386204 is a `hidden beast` number, since 28 + 3 + 0 + 3 + 8 + 620 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×28303862042 = 16022172127587059232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 78621839 = 2830386204 / (2 + 8 + 3 + 0 + 3 + 8 + 6 + 2 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39310884 + ... + 39310955.

It is an arithmetic number, because the mean of its divisors is an integer number (397477080).

Almost surely, 22830386204 is an apocalyptic number.

It is an amenable number.

2830386204 is an abundant number, since it is smaller than the sum of its proper divisors (4324201236).

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

2830386204 is a wasteful number, since it uses less digits than its factorization.

2830386204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78621849 (or 78621844 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 2830386204 is about 53201.3740799991. The cubic root of 2830386204 is about 1414.5400002258.

The spelling of 2830386204 in words is "two billion, eight hundred thirty million, three hundred eighty-six thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 78621839 157243678 235865517 314487356 471731034 707596551 943462068 1415193102 2830386204