Search a number
-
+
3987670260 = 2235773831567
BaseRepresentation
bin1110110110101111…
…0000010011110100
3101021220111122020010
43231223300103310
531131320422020
61455405340220
7200550431550
oct35553602364
911256448203
103987670260
111766a32762
12933567670
134b71c5602
1429b864860
1518513bde0
hexedaf04f4

3987670260 has 192 divisors, whose sum is σ = 13099548672. Its totient is φ = 887583744.

The previous prime is 3987670249. The next prime is 3987670319. The reversal of 3987670260 is 620767893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2543997 + ... + 2545563.

It is an arithmetic number, because the mean of its divisors is an integer number (68226816).

Almost surely, 23987670260 is an apocalyptic number.

3987670260 is a gapful number since it is divisible by the number (30) 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 3987670260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6549774336).

3987670260 is an abundant number, since it is smaller than the sum of its proper divisors (9111878412).

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

3987670260 is a wasteful number, since it uses less digits than its factorization.

3987670260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 3987670260 is about 63148.0028187749. The cubic root of 3987670260 is about 1585.7683530674.

The spelling of 3987670260 in words is "three billion, nine hundred eighty-seven million, six hundred seventy thousand, two hundred sixty".