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3878431941 = 34131531967
BaseRepresentation
bin1110011100101100…
…0010110011000101
3101000021221202102110
43213023002303011
530420334310231
61440504131233
7165053061516
oct34713026305
911007852373
103878431941
11171030135a
12902a66b19
1349a698b57
1428b14aa0d
1517a760046
hexe72c2cc5

3878431941 has 8 divisors (see below), whose sum is σ = 5297370624. Its totient is φ = 2522557280.

The previous prime is 3878431939. The next prime is 3878431967. The reversal of 3878431941 is 1491348783.

It is a happy number.

3878431941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3878431941 - 21 = 3878431939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878431241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15765861 + ... + 15766106.

It is an arithmetic number, because the mean of its divisors is an integer number (662171328).

Almost surely, 23878431941 is an apocalyptic number.

It is an amenable number.

3878431941 is a deficient number, since it is larger than the sum of its proper divisors (1418938683).

3878431941 is a wasteful number, since it uses less digits than its factorization.

3878431941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31532011.

The product of its digits is 580608, while the sum is 48.

The square root of 3878431941 is about 62277.0579025695. The cubic root of 3878431941 is about 1571.1538897156.

The spelling of 3878431941 in words is "three billion, eight hundred seventy-eight million, four hundred thirty-one thousand, nine hundred forty-one".

Divisors: 1 3 41 123 31531967 94595901 1292810647 3878431941