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396038769 = 3734615449
BaseRepresentation
bin10111100110110…
…001001001110001
31000121012212001120
4113212301021301
51302341220034
6103144252453
712546162660
oct2746611161
91017185046
10396038769
1119360a875
12b0771129
1364085589
143a852dd7
1524b7ec49
hex179b1271

396038769 has 16 divisors (see below), whose sum is σ = 603772800. Its totient is φ = 226200960.

The previous prime is 396038767. The next prime is 396038777. The reversal of 396038769 is 967830693.

It is a happy number.

It is not a de Polignac number, because 396038769 - 21 = 396038767 is a prime.

It is a super-2 number, since 2×3960387692 = 313693413102070722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396038767) 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, 69957 + ... + 75405.

It is an arithmetic number, because the mean of its divisors is an integer number (37735800).

Almost surely, 2396038769 is an apocalyptic number.

It is an amenable number.

396038769 is a deficient number, since it is larger than the sum of its proper divisors (207734031).

396038769 is a wasteful number, since it uses less digits than its factorization.

396038769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8920.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 396038769 is about 19900.7228260684. The cubic root of 396038769 is about 734.3660098226.

The spelling of 396038769 in words is "three hundred ninety-six million, thirty-eight thousand, seven hundred sixty-nine".

Divisors: 1 3 7 21 3461 5449 10383 16347 24227 38143 72681 114429 18858989 56576967 132012923 396038769