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1385212593 = 34111261891
BaseRepresentation
bin101001010010000…
…1010101010110001
310120112112002110010
41102210022222301
510314103300333
6345241525133
746220053452
oct12244125261
93515462403
101385212593
11650a097a6
12327aa37a9
13190ca1b2b
14d1d83129
1581923563
hex5290aab1

1385212593 has 8 divisors (see below), whose sum is σ = 1891997856. Its totient is φ = 900951200.

The previous prime is 1385212589. The next prime is 1385212597. The reversal of 1385212593 is 3952125831.

It is an interprime number because it is at equal distance from previous prime (1385212589) and next prime (1385212597).

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 1385212593 - 22 = 1385212589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1385212597) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5630823 + ... + 5631068.

It is an arithmetic number, because the mean of its divisors is an integer number (236499732).

Almost surely, 21385212593 is an apocalyptic number.

It is an amenable number.

1385212593 is a deficient number, since it is larger than the sum of its proper divisors (506785263).

1385212593 is a wasteful number, since it uses less digits than its factorization.

1385212593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11261935.

The product of its digits is 64800, while the sum is 39.

The square root of 1385212593 is about 37218.4442581901. Note that the first 3 decimals coincide. The cubic root of 1385212593 is about 1114.7363001911.

The spelling of 1385212593 in words is "one billion, three hundred eighty-five million, two hundred twelve thousand, five hundred ninety-three".

Divisors: 1 3 41 123 11261891 33785673 461737531 1385212593