Search a number
-
+
3945650236 = 221189673869
BaseRepresentation
bin1110101100101101…
…1101100000111100
3101011222102210120221
43223023131200330
531040041301421
61451304551124
7166530321313
oct35313354074
911158383527
103945650236
111745242470
129214824a4
134ab5a24a8
1429604727a
151815db841
hexeb2dd83c

3945650236 has 12 divisors (see below), whose sum is σ = 7532605080. Its totient is φ = 1793477360.

The previous prime is 3945650231. The next prime is 3945650249. The reversal of 3945650236 is 6320565493.

It is a junction number, because it is equal to n+sod(n) for n = 3945650192 and 3945650201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945650231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44836891 + ... + 44836978.

It is an arithmetic number, because the mean of its divisors is an integer number (627717090).

Almost surely, 23945650236 is an apocalyptic number.

It is an amenable number.

3945650236 is a deficient number, since it is larger than the sum of its proper divisors (3586954844).

3945650236 is a wasteful number, since it uses less digits than its factorization.

3945650236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89673884 (or 89673882 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

The square root of 3945650236 is about 62814.4110535154. The cubic root of 3945650236 is about 1580.1786685737.

The spelling of 3945650236 in words is "three billion, nine hundred forty-five million, six hundred fifty thousand, two hundred thirty-six".

Divisors: 1 2 4 11 22 44 89673869 179347738 358695476 986412559 1972825118 3945650236