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3438820825 = 521112504803
BaseRepresentation
bin1100110011111000…
…0011110111011001
322212122202012100021
43030332003313121
524020314231300
61325121510441
7151134331456
oct31476036731
98778665307
103438820825
111505140a90
127bb7a2421
1342a598a2b
142489d482d
15151d74d1a
hexccf83dd9

3438820825 has 12 divisors (see below), whose sum is σ = 4651787088. Its totient is φ = 2500960400.

The previous prime is 3438820789. The next prime is 3438820829. The reversal of 3438820825 is 5280288343.

It is not a de Polignac number, because 3438820825 - 213 = 3438812633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3438820829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6252127 + ... + 6252676.

It is an arithmetic number, because the mean of its divisors is an integer number (387648924).

Almost surely, 23438820825 is an apocalyptic number.

It is an amenable number.

3438820825 is a deficient number, since it is larger than the sum of its proper divisors (1212966263).

3438820825 is a wasteful number, since it uses less digits than its factorization.

3438820825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12504824 (or 12504819 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 3438820825 is about 58641.4599494249. The cubic root of 3438820825 is about 1509.3959581268.

The spelling of 3438820825 in words is "three billion, four hundred thirty-eight million, eight hundred twenty thousand, eight hundred twenty-five".

Divisors: 1 5 11 25 55 275 12504803 62524015 137552833 312620075 687764165 3438820825