Search a number
-
+
3984780830 = 25398478083
BaseRepresentation
bin1110110110000010…
…1110111000011110
3101021201001211200012
43231200232320132
531130100441310
61455223403222
7200514035552
oct35540567036
911251054605
103984780830
1117653398a8
129325b3512
134b67233a4
1429b311862
15184c6ac05
hexed82ee1e

3984780830 has 8 divisors (see below), whose sum is σ = 7172605512. Its totient is φ = 1593912328.

The previous prime is 3984780809. The next prime is 3984780853. The reversal of 3984780830 is 380874893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199239032 + ... + 199239051.

It is an arithmetic number, because the mean of its divisors is an integer number (896575689).

Almost surely, 23984780830 is an apocalyptic number.

3984780830 is a deficient number, since it is larger than the sum of its proper divisors (3187824682).

3984780830 is a wasteful number, since it uses less digits than its factorization.

3984780830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398478090.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 3984780830 is about 63125.1204355287. The cubic root of 3984780830 is about 1585.3852493599.

The spelling of 3984780830 in words is "three billion, nine hundred eighty-four million, seven hundred eighty thousand, eight hundred thirty".

Divisors: 1 2 5 10 398478083 796956166 1992390415 3984780830