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386024940 = 22355721621
BaseRepresentation
bin10111000000100…
…100010111101100
3222220101002200000
4113000210113230
51242310244230
6102145504300
712365105100
oct2700442754
9886332600
10386024940
111889a0284
12a9342090
1361c8a632
14393a7900
1523d52b60
hex170245ec

386024940 has 216 divisors, whose sum is σ = 1413436752. Its totient is φ = 88179840.

The previous prime is 386024909. The next prime is 386024971. The reversal of 386024940 is 49420683.

It is a happy number.

386024940 is a `hidden beast` number, since 3 + 8 + 602 + 4 + 9 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (386024909) and next prime (386024971).

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 = 386024895 and 386024904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 237330 + ... + 238950.

Almost surely, 2386024940 is an apocalyptic number.

386024940 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 386024940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706718376).

386024940 is an abundant number, since it is smaller than the sum of its proper divisors (1027411812).

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

386024940 is a wasteful number, since it uses less digits than its factorization.

386024940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 386024940 is about 19647.5174004249. The cubic root of 386024940 is about 728.1236229904.

The spelling of 386024940 in words is "three hundred eighty-six million, twenty-four thousand, nine hundred forty".