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1055630693 = 13314360917
BaseRepresentation
bin111110111010111…
…010010101100101
32201120100121002002
4332322322111211
54130220140233
6252425455045
735105466335
oct7672722545
92646317062
101055630693
114a196aa67
12255641485
1313a917460
14a02ad0c5
1562a1e6e8
hex3eeba565

1055630693 has 16 divisors (see below), whose sum is σ = 1200815616. Its totient is φ = 921049920.

The previous prime is 1055630687. The next prime is 1055630699. The reversal of 1055630693 is 3960365501.

It is an interprime number because it is at equal distance from previous prime (1055630687) and next prime (1055630699).

It is a cyclic number.

It is not a de Polignac number, because 1055630693 - 210 = 1055629669 is a prime.

It is a super-2 number, since 2×10556306932 = 2228712320007320498, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055630699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13130 + ... + 47787.

It is an arithmetic number, because the mean of its divisors is an integer number (75050976).

Almost surely, 21055630693 is an apocalyptic number.

1055630693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1055630693 is a deficient number, since it is larger than the sum of its proper divisors (145184923).

1055630693 is a wasteful number, since it uses less digits than its factorization.

1055630693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61004.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 1055630693 is about 32490.4708029908. The cubic root of 1055630693 is about 1018.2099492612.

The spelling of 1055630693 in words is "one billion, fifty-five million, six hundred thirty thousand, six hundred ninety-three".

Divisors: 1 13 31 43 403 559 1333 17329 60917 791921 1888427 2619431 24549551 34052603 81202361 1055630693