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385361564 = 22755724709
BaseRepresentation
bin10110111110000…
…010011010011100
3222212010101200112
4112332002122130
51242123032224
6102123345152
712356343050
oct2676023234
9885111615
10385361564
11188587935
12a90821b8
1361ab76c3
1439273c60
1523c7130e
hex16f8269c

385361564 has 24 divisors (see below), whose sum is σ = 772138080. Its totient is φ = 164851776.

The previous prime is 385361563. The next prime is 385361579. The reversal of 385361564 is 465163583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385361563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242 + ... + 27950.

It is an arithmetic number, because the mean of its divisors is an integer number (32172420).

Almost surely, 2385361564 is an apocalyptic number.

It is an amenable number.

385361564 is an abundant number, since it is smaller than the sum of its proper divisors (386776516).

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

385361564 is a wasteful number, since it uses less digits than its factorization.

385361564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25277 (or 25275 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 385361564 is about 19630.6282120568. The cubic root of 385361564 is about 727.7062953021.

The spelling of 385361564 in words is "three hundred eighty-five million, three hundred sixty-one thousand, five hundred sixty-four".

Divisors: 1 2 4 7 14 28 557 1114 2228 3899 7798 15596 24709 49418 98836 172963 345926 691852 13762913 27525826 55051652 96340391 192680782 385361564