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69034939 = 411683779
BaseRepresentation
bin1000001110101…
…10001110111011
311210220100010121
410013112032323
5120133104224
610503354111
71465534021
oct407261673
9153810117
1069034939
1135a71a76
121b152937
13113c149c
149250711
1560d9be4
hex41d63bb

69034939 has 4 divisors (see below), whose sum is σ = 70718760. Its totient is φ = 67351120.

The previous prime is 69034921. The next prime is 69034949. The reversal of 69034939 is 93943096.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69034939 - 225 = 35480507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69034895 and 69034904.

It is not an unprimeable number, because it can be changed into a prime (69034949) 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, 841849 + ... + 841930.

It is an arithmetic number, because the mean of its divisors is an integer number (17679690).

Almost surely, 269034939 is an apocalyptic number.

69034939 is a deficient number, since it is larger than the sum of its proper divisors (1683821).

69034939 is a wasteful number, since it uses less digits than its factorization.

69034939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683820.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 69034939 is about 8308.7266774157. The cubic root of 69034939 is about 410.2258105697.

The spelling of 69034939 in words is "sixty-nine million, thirty-four thousand, nine hundred thirty-nine".

Divisors: 1 41 1683779 69034939