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3831990132 = 223714497641
BaseRepresentation
bin1110010001100111…
…1000011101110100
3100220001120021020110
43210121320131310
530321442141012
61432124503020
7163650243615
oct34431703564
910801507213
103831990132
1116970709a3
128ab3aaa70
13490b881a9
14284cdbc0c
1517663973c
hexe4678774

3831990132 has 24 divisors (see below), whose sum is σ = 9067246272. Its totient is φ = 1259339200.

The previous prime is 3831990131. The next prime is 3831990199. The reversal of 3831990132 is 2310991383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3831990131) 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, 2247969 + ... + 2249672.

It is an arithmetic number, because the mean of its divisors is an integer number (377801928).

Almost surely, 23831990132 is an apocalyptic number.

It is an amenable number.

3831990132 is an abundant number, since it is smaller than the sum of its proper divisors (5235256140).

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

3831990132 is a wasteful number, since it uses less digits than its factorization.

3831990132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497719 (or 4497717 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 3831990132 is about 61903.0704569652. The cubic root of 3831990132 is about 1564.8574939225.

The spelling of 3831990132 in words is "three billion, eight hundred thirty-one million, nine hundred ninety thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 4497641 8995282 13492923 17990564 26985846 53971692 319332511 638665022 957997533 1277330044 1915995066 3831990132