Search a number
-
+
336752640 = 212345729
BaseRepresentation
bin10100000100100…
…111000000000000
3212110122210210000
4110010213000000
51142202041030
653225440000
711226231060
oct2404470000
9773583700
10336752640
111630a7274
1294940000
13549c8523
1432a1d3a0
151e86d860
hex14127000

336752640 has 520 divisors, whose sum is σ = 1427199840. Its totient is φ = 74317824.

The previous prime is 336752627. The next prime is 336752681. The reversal of 336752640 is 46257633.

336752640 is a `hidden beast` number, since 3 + 3 + 6 + 7 + 5 + 2 + 640 = 666.

336752640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3367526402 = 226804681093939200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 336752595 and 336752604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11612146 + ... + 11612174.

Almost surely, 2336752640 is an apocalyptic number.

336752640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 336752640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713599920).

336752640 is an abundant number, since it is smaller than the sum of its proper divisors (1090447200).

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

336752640 is an equidigital number, since it uses as much as digits as its factorization.

336752640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 336752640 is about 18350.8212350292. The cubic root of 336752640 is about 695.7240285198.

It can be divided in two parts, 33675 and 2640, that added together give a triangular number (36315 = T269).

The spelling of 336752640 in words is "three hundred thirty-six million, seven hundred fifty-two thousand, six hundred forty".