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3831379690 = 258916192659
BaseRepresentation
bin1110010001011110…
…0011011011101010
3100220000102020212111
43210113203123222
530321313122230
61432103432534
7163642122115
oct34427433352
910800366774
103831379690
1116967942a6
128ab15574a
13490a03398
14284bbd57c
1517656892a
hexe45e36ea

3831379690 has 32 divisors (see below), whose sum is σ = 6980904000. Its totient is φ = 1513826688.

The previous prime is 3831379687. The next prime is 3831379723. The reversal of 3831379690 is 969731383.

It is a super-2 number, since 2×38313796902 = 29358940657888992200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439581 + ... + 1442239.

It is an arithmetic number, because the mean of its divisors is an integer number (218153250).

Almost surely, 23831379690 is an apocalyptic number.

3831379690 is a deficient number, since it is larger than the sum of its proper divisors (3149524310).

3831379690 is a wasteful number, since it uses less digits than its factorization.

3831379690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 3831379690 is about 61898.1396327870. The cubic root of 3831379690 is about 1564.7743947639.

The spelling of 3831379690 in words is "three billion, eight hundred thirty-one million, three hundred seventy-nine thousand, six hundred ninety".

Divisors: 1 2 5 10 89 178 445 890 1619 2659 3238 5318 8095 13295 16190 26590 144091 236651 288182 473302 720455 1183255 1440910 2366510 4304921 8609842 21524605 43049210 383137969 766275938 1915689845 3831379690