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34531642 = 217265821
BaseRepresentation
bin1000001110111…
…0100100111010
32101222101111201
42003232210322
532320003032
63232044414
7566341225
oct203564472
971871451
1034531642
1118546152
12b69370a
137200832
14482c5bc
1530718e7
hex20ee93a

34531642 has 4 divisors (see below), whose sum is σ = 51797466. Its totient is φ = 17265820.

The previous prime is 34531603. The next prime is 34531649. The reversal of 34531642 is 24613543.

34531642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24613543 = 46353161.

It can be written as a sum of positive squares in only one way, i.e., 34468641 + 63001 = 5871^2 + 251^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34531642.

It is not an unprimeable number, because it can be changed into a prime (34531649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8632909 + ... + 8632912.

Almost surely, 234531642 is an apocalyptic number.

34531642 is a deficient number, since it is larger than the sum of its proper divisors (17265824).

34531642 is a wasteful number, since it uses less digits than its factorization.

34531642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17265823.

The product of its digits is 8640, while the sum is 28.

The square root of 34531642 is about 5876.3629908303. The cubic root of 34531642 is about 325.6409976508.

The spelling of 34531642 in words is "thirty-four million, five hundred thirty-one thousand, six hundred forty-two".

Divisors: 1 2 17265821 34531642