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385249629 = 3457487577
BaseRepresentation
bin10110111101100…
…111000101011101
3222211220201010210
4112331213011131
51242110442004
6102121123033
712355365522
oct2675470535
9884821123
10385249629
11188510826
12a9029479
1361a7877b
1439245149
1523c4d089
hex16f6715d

385249629 has 16 divisors (see below), whose sum is σ = 516741248. Its totient is φ = 255301632.

The previous prime is 385249603. The next prime is 385249637. The reversal of 385249629 is 926942583.

It is a happy number.

It is not a de Polignac number, because 385249629 - 28 = 385249373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385249639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667389 + ... + 667965.

It is an arithmetic number, because the mean of its divisors is an integer number (32296328).

Almost surely, 2385249629 is an apocalyptic number.

It is an amenable number.

385249629 is a deficient number, since it is larger than the sum of its proper divisors (131491619).

385249629 is a wasteful number, since it uses less digits than its factorization.

385249629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its digits is 933120, while the sum is 48.

The square root of 385249629 is about 19627.7769755008. The cubic root of 385249629 is about 727.6358301426.

The spelling of 385249629 in words is "three hundred eighty-five million, two hundred forty-nine thousand, six hundred twenty-nine".

Divisors: 1 3 457 487 577 1371 1461 1731 222559 263689 280999 667677 791067 842997 128416543 385249629