Search a number
-
+
3005435640 = 233525045297
BaseRepresentation
bin1011001100100011…
…0100111011111000
321202110020221122010
42303020310323320
522123342420030
61214120525520
7134322532014
oct26310647370
97673227563
103005435640
111302543309
126ba6208a0
1338b8686ac
1420721d544
15128cb96b0
hexb3234ef8

3005435640 has 32 divisors (see below), whose sum is σ = 9016307280. Its totient is φ = 801449472.

The previous prime is 3005435611. The next prime is 3005435659. The reversal of 3005435640 is 465345003.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3005435598 and 3005435607.

It is a congruent number.

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, 12522529 + ... + 12522768.

Almost surely, 23005435640 is an apocalyptic number.

3005435640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3005435640 is an abundant number, since it is smaller than the sum of its proper divisors (6010871640).

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

3005435640 is a wasteful number, since it uses less digits than its factorization.

3005435640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25045311 (or 25045307 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 3005435640 is about 54821.8536716883. The cubic root of 3005435640 is about 1443.1201058008.

The spelling of 3005435640 in words is "three billion, five million, four hundred thirty-five thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 25045297 50090594 75135891 100181188 125226485 150271782 200362376 250452970 300543564 375679455 500905940 601087128 751358910 1001811880 1502717820 3005435640