Search a number
-
+
3923468442 = 23427787433
BaseRepresentation
bin1110100111011011…
…0110000010011010
3101010102200211220000
43221312312002122
531013401442232
61445153313430
7166140634335
oct35166660232
911112624800
103923468442
111733771a03
12915b65876
134a6b06c7a
1429311161c
1517e6a927c
hexe9db609a

3923468442 has 40 divisors (see below), whose sum is σ = 8823314676. Its totient is φ = 1303086528.

The previous prime is 3923468411. The next prime is 3923468443. The reversal of 3923468442 is 2448643293.

It can be written as a sum of positive squares in 2 ways, for example, as 3922642161 + 826281 = 62631^2 + 909^2 .

It is not an unprimeable number, because it can be changed into a prime (3923468443) 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 19 ways as a sum of consecutive naturals, for example, 1158 + ... + 88590.

Almost surely, 23923468442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3923468442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4411657338).

3923468442 is an abundant number, since it is smaller than the sum of its proper divisors (4899846234).

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

3923468442 is a wasteful number, since it uses less digits than its factorization.

3923468442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87724 (or 87715 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 3923468442 is about 62637.5960745621. The cubic root of 3923468442 is about 1577.2119342761.

The spelling of 3923468442 in words is "three billion, nine hundred twenty-three million, four hundred sixty-eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 277 554 831 1662 2493 4986 7479 14958 22437 44874 87433 174866 262299 524598 786897 1573794 2360691 4721382 7082073 14164146 24218941 48437882 72656823 145313646 217970469 435940938 653911407 1307822814 1961734221 3923468442