Search a number
-
+
3880217972 = 2217371542217
BaseRepresentation
bin1110011101000111…
…0110110101110100
3101000102022111101202
43213101312311310
530421313433342
61441010312032
7165104210561
oct34721666564
911012274352
103880217972
111711311214
12903588618
1349ab72a87
1428b493868
1517a9b4332
hexe7476d74

3880217972 has 24 divisors (see below), whose sum is σ = 7384139784. Its totient is φ = 1776632832.

The previous prime is 3880217941. The next prime is 3880217993. The reversal of 3880217972 is 2797120883.

It can be written as a sum of positive squares in 4 ways, for example, as 2175849316 + 1704368656 = 46646^2 + 41284^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768593 + ... + 773624.

It is an arithmetic number, because the mean of its divisors is an integer number (307672491).

Almost surely, 23880217972 is an apocalyptic number.

It is an amenable number.

3880217972 is a deficient number, since it is larger than the sum of its proper divisors (3503921812).

3880217972 is a wasteful number, since it uses less digits than its factorization.

3880217972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542275 (or 1542273 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 3880217972 is about 62291.3956498006. The cubic root of 3880217972 is about 1571.3950265944.

The spelling of 3880217972 in words is "three billion, eight hundred eighty million, two hundred seventeen thousand, nine hundred seventy-two".

Divisors: 1 2 4 17 34 37 68 74 148 629 1258 2516 1542217 3084434 6168868 26217689 52435378 57062029 104870756 114124058 228248116 970054493 1940108986 3880217972