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1385122936 = 231079916033
BaseRepresentation
bin101001010001111…
…0100110001111000
310120112100112110111
41102203310301320
510314042413221
6345235554104
746216231201
oct12243646170
93515315414
101385122936
116509583aa
12327a5b934
13190c70092
14d1d5c5a8
1581906be1
hex528f4c78

1385122936 has 16 divisors (see below), whose sum is σ = 2597508000. Its totient is φ = 692454144.

The previous prime is 1385122927. The next prime is 1385122939. The reversal of 1385122936 is 6392215831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385122939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78376 + ... + 94408.

It is an arithmetic number, because the mean of its divisors is an integer number (162344250).

Almost surely, 21385122936 is an apocalyptic number.

It is an amenable number.

1385122936 is a deficient number, since it is larger than the sum of its proper divisors (1212385064).

1385122936 is a wasteful number, since it uses less digits than its factorization.

1385122936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26838 (or 26834 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 1385122936 is about 37217.2397686878. The cubic root of 1385122936 is about 1114.7122494739.

The spelling of 1385122936 in words is "one billion, three hundred eighty-five million, one hundred twenty-two thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 10799 16033 21598 32066 43196 64132 86392 128264 173140367 346280734 692561468 1385122936