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34658020 = 2251732901
BaseRepresentation
bin1000010000110…
…1011011100100
32102012210212101
42010031123210
532333024040
63234501444
7600405535
oct204153344
972183771
1034658020
11186220a1
12b734884
137246207
14486268c
15309909a
hex210d6e4

34658020 has 12 divisors (see below), whose sum is σ = 72781884. Its totient is φ = 13863200.

The previous prime is 34658009. The next prime is 34658021. The reversal of 34658020 is 2085643.

It can be written as a sum of positive squares in 2 ways, for example, as 5992704 + 28665316 = 2448^2 + 5354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34658020.

It is not an unprimeable number, because it can be changed into a prime (34658021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866431 + ... + 866470.

It is an arithmetic number, because the mean of its divisors is an integer number (6065157).

Almost surely, 234658020 is an apocalyptic number.

It is an amenable number.

34658020 is an abundant number, since it is smaller than the sum of its proper divisors (38123864).

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

34658020 is a wasteful number, since it uses less digits than its factorization.

34658020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732910 (or 1732908 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 34658020 is about 5887.1062501028. The cubic root of 34658020 is about 326.0377714776.

The spelling of 34658020 in words is "thirty-four million, six hundred fifty-eight thousand, twenty".

Divisors: 1 2 4 5 10 20 1732901 3465802 6931604 8664505 17329010 34658020