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387172096 = 286722573
BaseRepresentation
bin10111000100111…
…100011100000000
3222222112101021021
4113010330130000
51243104001341
6102230235224
712410623423
oct2704743400
9888471237
10387172096
11189604143
12a97b5b14
136229c81c
14395c59ba
1523ecc9d1
hex1713c700

387172096 has 36 divisors (see below), whose sum is σ = 784401352. Its totient is φ = 190688256.

The previous prime is 387172091. The next prime is 387172109. The reversal of 387172096 is 690271783.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387172091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5866 + ... + 28438.

Almost surely, 2387172096 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 387172096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392200676).

387172096 is an abundant number, since it is smaller than the sum of its proper divisors (397229256).

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

387172096 is an equidigital number, since it uses as much as digits as its factorization.

387172096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22656 (or 22642 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 387172096 is about 19676.6891523955. The cubic root of 387172096 is about 728.8441682744.

The spelling of 387172096 in words is "three hundred eighty-seven million, one hundred seventy-two thousand, ninety-six".

Divisors: 1 2 4 8 16 32 64 67 128 134 256 268 536 1072 2144 4288 8576 17152 22573 45146 90292 180584 361168 722336 1444672 1512391 2889344 3024782 5778688 6049564 12099128 24198256 48396512 96793024 193586048 387172096