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396499145 = 5731715147
BaseRepresentation
bin10111101000100…
…001100011001001
31000122002020120112
4113220201203021
51303000433040
6103202204105
712553121120
oct2750414311
91018066515
10396499145
111938a4749
12b0953635
13641b6ca3
143a932ab7
1524c21365
hex17a218c9

396499145 has 32 divisors (see below), whose sum is σ = 569327616. Its totient is φ = 259358400.

The previous prime is 396499127. The next prime is 396499153. The reversal of 396499145 is 541994693.

It is not a de Polignac number, because 396499145 - 28 = 396498889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396499093 and 396499102.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 74462 + ... + 79608.

It is an arithmetic number, because the mean of its divisors is an integer number (17791488).

Almost surely, 2396499145 is an apocalyptic number.

396499145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

396499145 is a deficient number, since it is larger than the sum of its proper divisors (172828471).

396499145 is a wasteful number, since it uses less digits than its factorization.

396499145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261.

The product of its digits is 1049760, while the sum is 50.

The square root of 396499145 is about 19912.2862825945. The cubic root of 396499145 is about 734.6504546757.

The spelling of 396499145 in words is "three hundred ninety-six million, four hundred ninety-nine thousand, one hundred forty-five".

Divisors: 1 5 7 31 35 71 155 217 355 497 1085 2201 2485 5147 11005 15407 25735 36029 77035 159557 180145 365437 797785 1116899 1827185 2558059 5584495 11328547 12790295 56642735 79299829 396499145