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64342404 = 2233785109
BaseRepresentation
bin1111010101110…
…0100110000100
311111001221012000
43311130212010
5112432424104
610215025300
71410621120
oct365344604
9144057160
1064342404
1133357445
121966b230
131043a639
14878c580
1559ae639
hex3d5c984

64342404 has 48 divisors (see below), whose sum is σ = 190646400. Its totient is φ = 18383328.

The previous prime is 64342403. The next prime is 64342409. The reversal of 64342404 is 40424346.

64342404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (64342403) 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 in 15 ways as a sum of consecutive naturals, for example, 41799 + ... + 43310.

It is an arithmetic number, because the mean of its divisors is an integer number (3971800).

Almost surely, 264342404 is an apocalyptic number.

It is an amenable number.

64342404 is an abundant number, since it is smaller than the sum of its proper divisors (126303996).

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

64342404 is a wasteful number, since it uses less digits than its factorization.

64342404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85129 (or 85121 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 64342404 is about 8021.3717031440. The cubic root of 64342404 is about 400.7120732935.

It can be divided in two parts, 64342 and 404, that added together give a palindrome (64746).

The spelling of 64342404 in words is "sixty-four million, three hundred forty-two thousand, four hundred four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 85109 170218 255327 340436 510654 595763 765981 1021308 1191526 1531962 1787289 2297943 2383052 3063924 3574578 4595886 5361867 7149156 9191772 10723734 16085601 21447468 32171202 64342404