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3379840 = 2755281
BaseRepresentation
bin1100111001001010000000
320100201021021
430321022000
51331123330
6200235224
740504522
oct14711200
96321237
103379840
1119a9362
12116bb14
13914509
1463da12
1546b67a
hex339280

3379840 has 32 divisors (see below), whose sum is σ = 8081460. Its totient is φ = 1351680.

The previous prime is 3379829. The next prime is 3379847. The reversal of 3379840 is 489733.

It can be written as a sum of positive squares in 2 ways, for example, as 3125824 + 254016 = 1768^2 + 504^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×33798402 = 22846636851200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3379796 and 3379805.

It is not an unprimeable number, because it can be changed into a prime (3379847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001 + ... + 3280.

Almost surely, 23379840 is an apocalyptic number.

It is an amenable number.

3379840 is an abundant number, since it is smaller than the sum of its proper divisors (4701620).

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

3379840 is an equidigital number, since it uses as much as digits as its factorization.

3379840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300 (or 5288 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3379840 is about 1838.4341163066. The cubic root of 3379840 is about 150.0716694548.

The spelling of 3379840 in words is "three million, three hundred seventy-nine thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 5281 10562 21124 26405 42248 52810 84496 105620 168992 211240 337984 422480 675968 844960 1689920 3379840