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3438425 = 52137537
BaseRepresentation
bin1101000111011101011001
320110200122002
431013131121
51340012200
6201410345
741140364
oct15073531
96420562
103438425
111a39381
1211999b5
13935093
146570db
1547dbd5
hex347759

3438425 has 6 divisors (see below), whose sum is σ = 4263678. Its totient is φ = 2750720.

The previous prime is 3438419. The next prime is 3438439. The reversal of 3438425 is 5248343.

It can be written as a sum of positive squares in 3 ways, for example, as 652864 + 2785561 = 808^2 + 1669^2 .

It is a de Polignac number, because none of the positive numbers 2k-3438425 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68744 + ... + 68793.

It is an arithmetic number, because the mean of its divisors is an integer number (710613).

Almost surely, 23438425 is an apocalyptic number.

It is an amenable number.

3438425 is a deficient number, since it is larger than the sum of its proper divisors (825253).

3438425 is a wasteful number, since it uses less digits than its factorization.

3438425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137547 (or 137542 counting only the distinct ones).

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

The square root of 3438425 is about 1854.2990589438. The cubic root of 3438425 is about 150.9338042966.

The spelling of 3438425 in words is "three million, four hundred thirty-eight thousand, four hundred twenty-five".

Divisors: 1 5 25 137537 687685 3438425