Search a number
-
+
338143020 = 22355635717
BaseRepresentation
bin10100001001111…
…010011100101100
3212120021110000120
4110021322130230
51143031034040
653315324540
711244111465
oct2411723454
9776243016
10338143020
11163966946
12952b0750
1355094337
1432ca1d6c
151ea457d0
hex1427a72c

338143020 has 24 divisors (see below), whose sum is σ = 946800624. Its totient is φ = 90171456.

The previous prime is 338142991. The next prime is 338143049. The reversal of 338143020 is 20341833.

It is an interprime number because it is at equal distance from previous prime (338142991) and next prime (338143049).

It is a super-2 number, since 2×3381430202 = 228681403949440800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2817799 + ... + 2817918.

It is an arithmetic number, because the mean of its divisors is an integer number (39450026).

Almost surely, 2338143020 is an apocalyptic number.

338143020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

338143020 is an abundant number, since it is smaller than the sum of its proper divisors (608657604).

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

338143020 is a wasteful number, since it uses less digits than its factorization.

338143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635729 (or 5635727 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 338143020 is about 18388.6655307012. The cubic root of 338143020 is about 696.6802125930.

Adding to 338143020 its reverse (20341833), we get a palindrome (358484853).

The spelling of 338143020 in words is "three hundred thirty-eight million, one hundred forty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5635717 11271434 16907151 22542868 28178585 33814302 56357170 67628604 84535755 112714340 169071510 338143020