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3801391338 = 231017618243
BaseRepresentation
bin1110001010010100…
…1010000011101010
3100210220222200120210
43202211022003222
530241124010323
61425113001550
7163126202403
oct34245120352
910726880523
103801391338
111680871638
128a10b32b6
134877337b4
14280c149aa
15173ae3293
hexe294a0ea

3801391338 has 32 divisors (see below), whose sum is σ = 7689079872. Its totient is φ = 1252784000.

The previous prime is 3801391277. The next prime is 3801391339. The reversal of 3801391338 is 8331931083.

It is a super-2 number, since 2×38013913382 = 28901152209242860488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3801391296 and 3801391305.

It is not an unprimeable number, because it can be changed into a prime (3801391339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457045 + ... + 465287.

It is an arithmetic number, because the mean of its divisors is an integer number (240283746).

Almost surely, 23801391338 is an apocalyptic number.

3801391338 is an abundant number, since it is smaller than the sum of its proper divisors (3887688534).

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

3801391338 is a wasteful number, since it uses less digits than its factorization.

3801391338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 3801391338 is about 61655.4242382615. The cubic root of 3801391338 is about 1560.6811809841.

The spelling of 3801391338 in words is "three billion, eight hundred one million, three hundred ninety-one thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 101 202 303 606 761 1522 2283 4566 8243 16486 24729 49458 76861 153722 230583 461166 832543 1665086 2497629 4995258 6272923 12545846 18818769 37637538 633565223 1267130446 1900695669 3801391338