Search a number
-
+
338124820 = 225112139721
BaseRepresentation
bin10100001001110…
…110000000010100
3212120020112001111
4110021312000110
51143024443240
653315104404
711244004435
oct2411660024
9776215044
10338124820
11163954200
12952a2104
1355088c77
1432c9948c
151ea401ea
hex14276014

338124820 has 36 divisors (see below), whose sum is σ = 780487092. Its totient is φ = 122953600.

The previous prime is 338124793. The next prime is 338124847. The reversal of 338124820 is 28421833.

It is an interprime number because it is at equal distance from previous prime (338124793) and next prime (338124847).

It can be written as a sum of positive squares in 2 ways, for example, as 200109316 + 138015504 = 14146^2 + 11748^2 .

It is a super-2 number, since 2×3381248202 = 228656787800064800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67441 + ... + 72280.

It is an arithmetic number, because the mean of its divisors is an integer number (21680197).

Almost surely, 2338124820 is an apocalyptic number.

It is an amenable number.

338124820 is an abundant number, since it is smaller than the sum of its proper divisors (442362272).

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

338124820 is a wasteful number, since it uses less digits than its factorization.

338124820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139752 (or 139739 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 338124820 is about 18388.1706539830. The cubic root of 338124820 is about 696.6677131409.

The spelling of 338124820 in words is "three hundred thirty-eight million, one hundred twenty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 139721 279442 558884 698605 1397210 1536931 2794420 3073862 6147724 7684655 15369310 16906241 30738620 33812482 67624964 84531205 169062410 338124820