Search a number
-
+
3438172040 = 235163527327
BaseRepresentation
bin1100110011101110…
…0101011110001000
322212121112020101012
43030323211132020
524020133001130
61325055543052
7151125660122
oct31473453610
98777466335
103438172040
1115048385a6
127bb52aa88
1342a3cc634
142488a6212
15151c97995
hexccee5788

3438172040 has 32 divisors (see below), whose sum is σ = 7783361280. Its totient is φ = 1366828992.

The previous prime is 3438172039. The next prime is 3438172057. The reversal of 3438172040 is 402718343.

It is a junction number, because it is equal to n+sod(n) for n = 3438171988 and 3438172006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257144 + ... + 270183.

It is an arithmetic number, because the mean of its divisors is an integer number (243230040).

Almost surely, 23438172040 is an apocalyptic number.

It is an amenable number.

3438172040 is an abundant number, since it is smaller than the sum of its proper divisors (4345189240).

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

3438172040 is a wasteful number, since it uses less digits than its factorization.

3438172040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527501 (or 527497 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 3438172040 is about 58635.9278940821. The cubic root of 3438172040 is about 1509.3010287796.

The spelling of 3438172040 in words is "three billion, four hundred thirty-eight million, one hundred seventy-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 163 326 652 815 1304 1630 3260 6520 527327 1054654 2109308 2636635 4218616 5273270 10546540 21093080 85954301 171908602 343817204 429771505 687634408 859543010 1719086020 3438172040