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3443825 = 527111789
BaseRepresentation
bin1101001000110001110001
320110222001002
431020301301
51340200300
6201451345
741162210
oct15106161
96428032
103443825
111a42440
1211a0b55
13937688
14659077
154805d5
hex348c71

3443825 has 24 divisors (see below), whose sum is σ = 5327040. Its totient is φ = 2145600.

The previous prime is 3443819. The next prime is 3443851. The reversal of 3443825 is 5283443.

It is not a de Polignac number, because 3443825 - 214 = 3427441 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1031 + ... + 2819.

It is an arithmetic number, because the mean of its divisors is an integer number (221960).

Almost surely, 23443825 is an apocalyptic number.

3443825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3443825 is a deficient number, since it is larger than the sum of its proper divisors (1883215).

3443825 is a wasteful number, since it uses less digits than its factorization.

With its successor (3443826) it forms an eRAP, since the sums of their prime factors are consecutive (1817 and 1818).

3443825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1812 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 3443825 is about 1855.7545635132. The cubic root of 3443825 is about 151.0127761364.

The spelling of 3443825 in words is "three million, four hundred forty-three thousand, eight hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1789 1925 8945 12523 19679 44725 62615 98395 137753 313075 491975 688765 3443825