Search a number
-
+
4029930 = 232544777
BaseRepresentation
bin1111010111110111101010
321120202000200
433113313222
52012424210
6222213030
746153032
oct17276752
97522020
104029930
112302823
121424176
13ab1398
1476c8c2
155490c0
hex3d7dea

4029930 has 24 divisors (see below), whose sum is σ = 10478052. Its totient is φ = 1074624.

The previous prime is 4029923. The next prime is 4029937. The reversal of 4029930 is 399204.

It is an interprime number because it is at equal distance from previous prime (4029923) and next prime (4029937).

It can be written as a sum of positive squares in 2 ways, for example, as 3790809 + 239121 = 1947^2 + 489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4029894 and 4029903.

It is not an unprimeable number, because it can be changed into a prime (4029937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22299 + ... + 22478.

Almost surely, 24029930 is an apocalyptic number.

4029930 is an abundant number, since it is smaller than the sum of its proper divisors (6448122).

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

4029930 is a wasteful number, since it uses less digits than its factorization.

4029930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44790 (or 44787 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 4029930 is about 2007.4685551709. The cubic root of 4029930 is about 159.1350460593.

The spelling of 4029930 in words is "four million, twenty-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 44777 89554 134331 223885 268662 402993 447770 671655 805986 1343310 2014965 4029930