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1031386485 = 3568759099
BaseRepresentation
bin111101011110011…
…011010101110101
32122212201212021110
4331132123111311
54103013331420
6250202105233
734362432453
oct7536332565
92585655243
101031386485
1148a210a28
122494ab219
131358a927c
149ad9b9d3
1560830ee0
hex3d79b575

1031386485 has 8 divisors (see below), whose sum is σ = 1650218400. Its totient is φ = 550072784.

The previous prime is 1031386453. The next prime is 1031386511. The reversal of 1031386485 is 5846831301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031386485 - 25 = 1031386453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34379535 + ... + 34379564.

It is an arithmetic number, because the mean of its divisors is an integer number (206277300).

Almost surely, 21031386485 is an apocalyptic number.

1031386485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1031386485 is a deficient number, since it is larger than the sum of its proper divisors (618831915).

1031386485 is an equidigital number, since it uses as much as digits as its factorization.

1031386485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68759107.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1031386485 is about 32115.2064449226. The cubic root of 1031386485 is about 1010.3545743929.

The spelling of 1031386485 in words is "one billion, thirty-one million, three hundred eighty-six thousand, four hundred eighty-five".

Divisors: 1 3 5 15 68759099 206277297 343795495 1031386485