Search a number
-
+
3438625439 = 291032933929
BaseRepresentation
bin1100110011110101…
…0100001010011111
322212122101021022202
43030331110022133
524020242003224
61325113402115
7151132556024
oct31475241237
98778337282
103438625439
111505018207
127bb70933b
1342a52ab12
1424898354b
15151d36eae
hexccf5429f

3438625439 has 16 divisors (see below), whose sum is σ = 3604910400. Its totient is φ = 3275763456.

The previous prime is 3438625423. The next prime is 3438625441. The reversal of 3438625439 is 9345268343.

It is a cyclic number.

It is not a de Polignac number, because 3438625439 - 24 = 3438625423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3438625393 and 3438625402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438625639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873227 + ... + 877155.

It is an arithmetic number, because the mean of its divisors is an integer number (225306900).

Almost surely, 23438625439 is an apocalyptic number.

3438625439 is a deficient number, since it is larger than the sum of its proper divisors (166284961).

3438625439 is a wasteful number, since it uses less digits than its factorization.

3438625439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354.

The product of its digits is 1866240, while the sum is 47.

The square root of 3438625439 is about 58639.7939883830. The cubic root of 3438625439 is about 1509.3673707670.

The spelling of 3438625439 in words is "three billion, four hundred thirty-eight million, six hundred twenty-five thousand, four hundred thirty-nine".

Divisors: 1 29 103 293 2987 3929 8497 30179 113941 404687 875191 1151197 11735923 33384713 118573291 3438625439