Search a number
-
+
3988072632 = 233887187339
BaseRepresentation
bin1110110110110101…
…0010100010111000
3101021221021002011210
43231231102202320
531131421311012
61455422123120
7200554025625
oct35555224270
911257232153
103988072632
111767187aa5
129337204a0
134b73067bb
1429b92b34c
151851bb23c
hexedb528b8

3988072632 has 32 divisors (see below), whose sum is σ = 9981475200. Its totient is φ = 1327851744.

The previous prime is 3988072607. The next prime is 3988072633. The reversal of 3988072632 is 2362708893.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988072633) by changing a digit.

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, 72382 + ... + 114957.

It is an arithmetic number, because the mean of its divisors is an integer number (311921100).

Almost surely, 23988072632 is an apocalyptic number.

It is an amenable number.

3988072632 is an abundant number, since it is smaller than the sum of its proper divisors (5993402568).

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

3988072632 is a wasteful number, since it uses less digits than its factorization.

3988072632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188235 (or 188231 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 3988072632 is about 63151.1886823993. The cubic root of 3988072632 is about 1585.8216880794.

The spelling of 3988072632 in words is "three billion, nine hundred eighty-eight million, seventy-two thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 887 1774 2661 3548 5322 7096 10644 21288 187339 374678 562017 749356 1124034 1498712 2248068 4496136 166169693 332339386 498509079 664678772 997018158 1329357544 1994036316 3988072632