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3875400380 = 225193770019
BaseRepresentation
bin1110011011111101…
…1110101010111100
3101000002020201220102
43212333132222330
530414100303010
61440315140232
7165015234245
oct34677365274
911002221812
103875400380
111709620735
12901a44678
13499b77027
1428a99bccc
1517a361ba5
hexe6fdeabc

3875400380 has 12 divisors (see below), whose sum is σ = 8138340840. Its totient is φ = 1550160144.

The previous prime is 3875400367. The next prime is 3875400383. The reversal of 3875400380 is 830045783.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3875400383) 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, 96884990 + ... + 96885029.

It is an arithmetic number, because the mean of its divisors is an integer number (678195070).

Almost surely, 23875400380 is an apocalyptic number.

It is an amenable number.

3875400380 is an abundant number, since it is smaller than the sum of its proper divisors (4262940460).

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

3875400380 is a wasteful number, since it uses less digits than its factorization.

3875400380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193770028 (or 193770026 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 3875400380 is about 62252.7138364264. The cubic root of 3875400380 is about 1570.7444209342.

The spelling of 3875400380 in words is "three billion, eight hundred seventy-five million, four hundred thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 193770019 387540038 775080076 968850095 1937700190 3875400380