Search a number
-
+
3078688032 = 2532721741313
BaseRepresentation
bin1011011110000001…
…0000110100100000
321221120002120000200
42313200100310200
522301121004112
61225254545200
7136202262600
oct26740206440
97846076020
103078688032
11133a925982
1271b068200
133a0aa56c4
14212c4ac00
15130438cdc
hexb7810d20

3078688032 has 432 divisors, whose sum is σ = 11081797272. Its totient is φ = 805109760.

The previous prime is 3078688021. The next prime is 3078688033. The reversal of 3078688032 is 2308868703.

It can be written as a sum of positive squares in 4 ways, for example, as 1250612496 + 1828075536 = 35364^2 + 42756^2 .

It is not an unprimeable number, because it can be changed into a prime (3078688033) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9835908 + ... + 9836220.

Almost surely, 23078688032 is an apocalyptic number.

3078688032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3078688032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5540898636).

3078688032 is an abundant number, since it is smaller than the sum of its proper divisors (8003109240).

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

3078688032 is a wasteful number, since it uses less digits than its factorization.

3078688032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 3078688032 is about 55485.9264318440. The cubic root of 3078688032 is about 1454.7506541221.

The spelling of 3078688032 in words is "three billion, seventy-eight million, six hundred eighty-eight thousand, thirty-two".