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3880255317 = 31571823309
BaseRepresentation
bin1110011101000111…
…1111111101010101
3101000102101101121220
43213101333331111
530421321132232
61441011200553
7165104424501
oct34721777525
911012341556
103880255317
111711337284
129035a6159
1349ab86a83
1428b4a3301
1517a9c042c
hexe747ff55

3880255317 has 8 divisors (see below), whose sum is σ = 5176973280. Its totient is φ = 2585187120.

The previous prime is 3880255241. The next prime is 3880255349. The reversal of 3880255317 is 7135520883.

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

It is not a de Polignac number, because 3880255317 - 28 = 3880255061 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880255367) 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, 406942 + ... + 416367.

It is an arithmetic number, because the mean of its divisors is an integer number (647121660).

Almost surely, 23880255317 is an apocalyptic number.

It is an amenable number.

3880255317 is a deficient number, since it is larger than the sum of its proper divisors (1296717963).

3880255317 is a wasteful number, since it uses less digits than its factorization.

3880255317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824883.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 3880255317 is about 62291.6954095809. The cubic root of 3880255317 is about 1571.4000678541.

The spelling of 3880255317 in words is "three billion, eight hundred eighty million, two hundred fifty-five thousand, three hundred seventeen".

Divisors: 1 3 1571 4713 823309 2469927 1293418439 3880255317