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34638977 = 50968053
BaseRepresentation
bin1000010000100…
…0110010000001
32102011211202002
42010020302001
532331421402
63234233345
7600266162
oct204106201
972154662
1034638977
111860985a
12b725855
13723a649
144859769
153093602
hex2108c81

34638977 has 4 divisors (see below), whose sum is σ = 34707540. Its totient is φ = 34570416.

The previous prime is 34638937. The next prime is 34639009. The reversal of 34638977 is 77983643.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17631601 + 17007376 = 4199^2 + 4124^2 .

It is a cyclic number.

It is not a de Polignac number, because 34638977 - 26 = 34638913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34638937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33518 + ... + 34535.

It is an arithmetic number, because the mean of its divisors is an integer number (8676885).

Almost surely, 234638977 is an apocalyptic number.

It is an amenable number.

34638977 is a deficient number, since it is larger than the sum of its proper divisors (68563).

34638977 is an equidigital number, since it uses as much as digits as its factorization.

34638977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68562.

The product of its digits is 762048, while the sum is 47.

The square root of 34638977 is about 5885.4886797954. The cubic root of 34638977 is about 325.9780462464.

The spelling of 34638977 in words is "thirty-four million, six hundred thirty-eight thousand, nine hundred seventy-seven".

Divisors: 1 509 68053 34638977