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34863139 = 37942247
BaseRepresentation
bin1000010011111…
…1100000100011
32102121020020101
42010333200203
532411110024
63243123231
7602221543
oct204774043
972536211
1034863139
1118752213
12b813517
1372b869c
1448b7323
1530d9c44
hex213f823

34863139 has 4 divisors (see below), whose sum is σ = 35805424. Its totient is φ = 33920856.

The previous prime is 34863137. The next prime is 34863163. The reversal of 34863139 is 93136843.

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 34863139 - 21 = 34863137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 942247 = 34863139 / (3 + 4 + 8 + 6 + 3 + 1 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34863098 and 34863107.

It is not an unprimeable number, because it can be changed into a prime (34863137) 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, 471087 + ... + 471160.

It is an arithmetic number, because the mean of its divisors is an integer number (8951356).

Almost surely, 234863139 is an apocalyptic number.

34863139 is a deficient number, since it is larger than the sum of its proper divisors (942285).

34863139 is an equidigital number, since it uses as much as digits as its factorization.

34863139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942284.

The product of its digits is 46656, while the sum is 37.

The square root of 34863139 is about 5904.5015877718. The cubic root of 34863139 is about 326.6797108262.

The spelling of 34863139 in words is "thirty-four million, eight hundred sixty-three thousand, one hundred thirty-nine".

Divisors: 1 37 942247 34863139