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3448940 = 2251161257
BaseRepresentation
bin1101001010000001101100
320111020001112
431022001230
51340331230
6201531152
741213135
oct15120154
96436045
103448940
111a46270
1211a3ab8
13939ac1
1465ac8c
15481d95
hex34a06c

3448940 has 48 divisors (see below), whose sum is σ = 8061984. Its totient is φ = 1228800.

The previous prime is 3448933. The next prime is 3448957. The reversal of 3448940 is 498443.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3448897 and 3448906.

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, 13292 + ... + 13548.

It is an arithmetic number, because the mean of its divisors is an integer number (167958).

Almost surely, 23448940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3448940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4030992).

3448940 is an abundant number, since it is smaller than the sum of its proper divisors (4613044).

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

3448940 is a wasteful number, since it uses less digits than its factorization.

3448940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 3448940 is about 1857.1321977716. The cubic root of 3448940 is about 151.0875039214.

The spelling of 3448940 in words is "three million, four hundred forty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 61 110 122 220 244 257 305 514 610 671 1028 1220 1285 1342 2570 2684 2827 3355 5140 5654 6710 11308 13420 14135 15677 28270 31354 56540 62708 78385 156770 172447 313540 344894 689788 862235 1724470 3448940