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1386413394 = 231912161521
BaseRepresentation
bin101001010100010…
…1111110101010010
310120121210002122020
41102220233311102
510314410212034
6345323352310
746233214362
oct12250576522
93517702566
101386413394
116516599a3
12328382696
13191302572
14d21b69a2
1581aae249
hex52a2fd52

1386413394 has 16 divisors (see below), whose sum is σ = 2918765280. Its totient is φ = 437814720.

The previous prime is 1386413381. The next prime is 1386413437. The reversal of 1386413394 is 4933146831.

It is a Curzon 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, 6080647 + ... + 6080874.

It is an arithmetic number, because the mean of its divisors is an integer number (182422830).

Almost surely, 21386413394 is an apocalyptic number.

1386413394 is an abundant number, since it is smaller than the sum of its proper divisors (1532351886).

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

1386413394 is a wasteful number, since it uses less digits than its factorization.

1386413394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12161545.

The product of its digits is 186624, while the sum is 42.

The square root of 1386413394 is about 37234.5725636807. The cubic root of 1386413394 is about 1115.0583181171.

The spelling of 1386413394 in words is "one billion, three hundred eighty-six million, four hundred thirteen thousand, three hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 12161521 24323042 36484563 72969126 231068899 462137798 693206697 1386413394