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386420244 = 223729415373
BaseRepresentation
bin10111000010000…
…100111000010100
3222221010011220220
4113002010320110
51242410421434
6102202154340
712401342430
oct2702047024
9887104826
10386420244
11189140281
12a94b29b0
1362098542
143946b9c0
1523dced49
hex17084e14

386420244 has 192 divisors, whose sum is σ = 1127831040. Its totient is φ = 100638720.

The previous prime is 386420213. The next prime is 386420257. The reversal of 386420244 is 442024683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5293392 + ... + 5293464.

It is an arithmetic number, because the mean of its divisors is an integer number (5874120).

Almost surely, 2386420244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386420244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563915520).

386420244 is an abundant number, since it is smaller than the sum of its proper divisors (741410796).

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

386420244 is a wasteful number, since it uses less digits than its factorization.

386420244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 386420244 is about 19657.5747232460. The cubic root of 386420244 is about 728.3720801556.

The spelling of 386420244 in words is "three hundred eighty-six million, four hundred twenty thousand, two hundred forty-four".