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1050386465 = 5216197213
BaseRepresentation
bin111110100110111…
…010000000100001
32201012111011100102
4332212322000201
54122344331330
6252121232145
735013065132
oct7646720041
92635434312
101050386465
11499a08997
12253932655
131397cc46b
149d705c89
1562335945
hex3e9ba021

1050386465 has 8 divisors (see below), whose sum is σ = 1261060008. Its totient is φ = 839911680.

The previous prime is 1050386461. The next prime is 1050386483. The reversal of 1050386465 is 5646830501.

It can be written as a sum of positive squares in 4 ways, for example, as 115433536 + 934952929 = 10744^2 + 30577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1050386465 - 22 = 1050386461 is a prime.

It is a super-2 number, since 2×10503864652 = 2206623451710392450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1050386461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37802 + ... + 59411.

It is an arithmetic number, because the mean of its divisors is an integer number (157632501).

Almost surely, 21050386465 is an apocalyptic number.

It is an amenable number.

1050386465 is a deficient number, since it is larger than the sum of its proper divisors (210673543).

1050386465 is an equidigital number, since it uses as much as digits as its factorization.

1050386465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99379.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1050386465 is about 32409.6662278401. Note that the first 3 decimals coincide. The cubic root of 1050386465 is about 1016.5210404454.

The spelling of 1050386465 in words is "one billion, fifty million, three hundred eighty-six thousand, four hundred sixty-five".

Divisors: 1 5 2161 10805 97213 486065 210077293 1050386465