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392000000 = 295672
BaseRepresentation
bin10111010111010…
…111001000000000
31000022121122220112
4113113113020000
51300323000000
6102521530452
712466642100
oct2727271000
91008548815
10392000000
11191301447
12ab343a28
13632a0182
143a0c1200
1524633235
hex175d7200

392000000 has 210 divisors, whose sum is σ = 1138872141. Its totient is φ = 134400000.

The previous prime is 391999987. The next prime is 392000009. The reversal of 392000000 is 293.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 4 ways, for example, as 66846976 + 325153024 = 8176^2 + 18032^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=14000.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (392000009) by changing a digit.

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 20 ways as a sum of consecutive naturals, for example, 55999997 + ... + 56000003.

Almost surely, 2392000000 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 392000000

392000000 is an abundant number, since it is smaller than the sum of its proper divisors (746872141).

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

392000000 is an frugal number, since it uses more digits than its factorization.

392000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 392000000 is about 19798.9898732233. The cubic root of 392000000 is about 731.8611420046.

Adding to 392000000 its reverse (293), we get a palindrome (392000293).

The spelling of 392000000 in words is "three hundred ninety-two million", and thus it is an aban number.