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4374631881 = 3473492
BaseRepresentation
bin1000001001011111…
…11001010111001001
3102021212122022210000
410010233321113021
532424401210011
62002031313213
7213256520544
oct40457712711
912255568700
104374631881
111945402754
12a2107b809
13549420399
142d6dd385b
151a90c7356
hex104bf95c9

4374631881 has 15 divisors (see below), whose sum is σ = 6535833271. Its totient is φ = 2916024408.

The previous prime is 4374631823. The next prime is 4374631883. The reversal of 4374631881 is 1881364734.

The square root of 4374631881 is 66141.

It is a perfect power (a square), and thus also a powerful number.

4374631881 is a `hidden beast` number, since 4 + 3 + 7 + 4 + 631 + 8 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3013021881 + 1361610000 = 54891^2 + 36900^2 .

It is not a de Polignac number, because 4374631881 - 213 = 4374623689 is a prime.

It is a super-2 number, since 2×43746318812 = 38274808188523196322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4374631883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 591595 + ... + 598943.

Almost surely, 24374631881 is an apocalyptic number.

4374631881 is the 66141-st square number.

4374631881 is the 33071-st centered octagonal number.

It is an amenable number.

4374631881 is a deficient number, since it is larger than the sum of its proper divisors (2161201390).

4374631881 is an frugal number, since it uses more digits than its factorization.

4374631881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14710 (or 7352 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The cubic root of 4374631881 is about 1635.4872817445.

The spelling of 4374631881 in words is "four billion, three hundred seventy-four million, six hundred thirty-one thousand, eight hundred eighty-one".

Divisors: 1 3 9 27 81 7349 22047 66141 198423 595269 54007801 162023403 486070209 1458210627 4374631881