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69000386 = 2713379123
BaseRepresentation
bin1000001110011…
…01110011000010
311210211120201212
410013031303002
5120131003021
610502530122
71465331210
oct407156302
9153746655
1069000386
1135a49014
121b136942
13113ab840
149241cb0
1560ce85b
hex41cdcc2

69000386 has 16 divisors (see below), whose sum is σ = 127385664. Its totient is φ = 27296784.

The previous prime is 69000377. The next prime is 69000443. The reversal of 69000386 is 68300096.

It is a happy number.

It is a super-2 number, since 2×690003862 = 9522106536297992, which contains 22 as substring.

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, 189380 + ... + 189743.

It is an arithmetic number, because the mean of its divisors is an integer number (7961604).

Almost surely, 269000386 is an apocalyptic number.

69000386 is a deficient number, since it is larger than the sum of its proper divisors (58385278).

69000386 is a wasteful number, since it uses less digits than its factorization.

69000386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379145.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 69000386 is about 8306.6470973552. The cubic root of 69000386 is about 410.1573578019.

The spelling of 69000386 in words is "sixty-nine million, three hundred eighty-six", and thus it is an aban number.

Divisors: 1 2 7 13 14 26 91 182 379123 758246 2653861 4928599 5307722 9857198 34500193 69000386