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1385074086 = 231120985971
BaseRepresentation
bin101001010001110…
…1000110110100110
310120112021001110020
41102203220312212
510314034332321
6345234540010
746215635604
oct12243506646
93515231406
101385074086
11650924730
12327a37606
13190c53a86
14d1d48874
15818e74c6
hex528e8da6

1385074086 has 16 divisors (see below), whose sum is σ = 3021979968. Its totient is φ = 419719400.

The previous prime is 1385074043. The next prime is 1385074087. The reversal of 1385074086 is 6804705831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385074087) 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, 10492920 + ... + 10493051.

It is an arithmetic number, because the mean of its divisors is an integer number (188873748).

Almost surely, 21385074086 is an apocalyptic number.

1385074086 is an abundant number, since it is smaller than the sum of its proper divisors (1636905882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1385074086 is a wasteful number, since it uses less digits than its factorization.

1385074086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20985987.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1385074086 is about 37216.5834810236. The cubic root of 1385074086 is about 1114.6991449010.

The spelling of 1385074086 in words is "one billion, three hundred eighty-five million, seventy-four thousand, eighty-six".

Divisors: 1 2 3 6 11 22 33 66 20985971 41971942 62957913 125915826 230845681 461691362 692537043 1385074086