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3833257940 = 225191662897
BaseRepresentation
bin1110010001111010…
…1101111111010100
3100220010221200100022
43210132231333110
530322303223230
61432212004312
7163664104061
oct34436557724
910803850308
103833257940
111697857476
128ab900698
13491210285
1428514bc68
151767da1e5
hexe47adfd4

3833257940 has 12 divisors (see below), whose sum is σ = 8049841716. Its totient is φ = 1533303168.

The previous prime is 3833257877. The next prime is 3833257943. The reversal of 3833257940 is 497523383.

It can be written as a sum of positive squares in 2 ways, for example, as 3048585796 + 784672144 = 55214^2 + 28012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3833257891 and 3833257900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3833257943) 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, 95831429 + ... + 95831468.

It is an arithmetic number, because the mean of its divisors is an integer number (670820143).

Almost surely, 23833257940 is an apocalyptic number.

It is an amenable number.

3833257940 is an abundant number, since it is smaller than the sum of its proper divisors (4216583776).

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

3833257940 is a wasteful number, since it uses less digits than its factorization.

3833257940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191662906 (or 191662904 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 3833257940 is about 61913.3098776022. The cubic root of 3833257940 is about 1565.0300517864.

The spelling of 3833257940 in words is "three billion, eight hundred thirty-three million, two hundred fifty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 191662897 383325794 766651588 958314485 1916628970 3833257940