Search a number
3990002124 = 223794208863
BaseRepresentation
bin1110110111010010…
…1001100111001100
3101022001220002221110
43231310221213030
531132420031444
61455531332020
7200606313153
oct35564514714
911261802843
103990002124
111768285719
129342b1010
134b7830b04
1429bcb059a
1518544ccb9
hexedd299cc

3990002124 has 24 divisors (see below), whose sum is σ = 9427855360. Its totient is φ = 1313164944.

The previous prime is 3990002117. The next prime is 3990002129. The reversal of 3990002124 is 4212000993.

It is a super-2 number, since 2×39900021242 = 31840233899049022752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3990002091 and 3990002100.

It is not an unprimeable number, because it can be changed into a prime (3990002129) 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, 2103484 + ... + 2105379.

Almost surely, 23990002124 is an apocalyptic number.

It is an amenable number.

3990002124 is an abundant number, since it is smaller than the sum of its proper divisors (5437853236).

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

3990002124 is a wasteful number, since it uses less digits than its factorization.

3990002124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208949 (or 4208947 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3990002124 is about 63166.4636021362. The cubic root of 3990002124 is about 1586.0773953020.

The spelling of 3990002124 in words is "three billion, nine hundred ninety million, two thousand, one hundred twenty-four".