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64035444 = 223111373541
BaseRepresentation
bin1111010001000…
…1101001110100
311110111100010010
43310101221310
5112343113234
610204300220
71405202154
oct364215164
9143440103
1064035444
1133167860
1219541670
13103609c5
14870c764
15594d6e9
hex3d11a74

64035444 has 48 divisors (see below), whose sum is σ = 164235456. Its totient is φ = 19257600.

The previous prime is 64035383. The next prime is 64035449. The reversal of 64035444 is 44453046.

64035444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64035449) 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, 16314 + ... + 19854.

It is an arithmetic number, because the mean of its divisors is an integer number (3421572).

Almost surely, 264035444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64035444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82117728).

64035444 is an abundant number, since it is smaller than the sum of its proper divisors (100200012).

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

64035444 is a wasteful number, since it uses less digits than its factorization.

64035444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696 (or 3694 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 64035444 is about 8002.2149433766. The cubic root of 64035444 is about 400.0738280394.

The spelling of 64035444 in words is "sixty-four million, thirty-five thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 137 274 411 548 822 1507 1644 3014 3541 4521 6028 7082 9042 10623 14164 18084 21246 38951 42492 77902 116853 155804 233706 467412 485117 970234 1455351 1940468 2910702 5336287 5821404 10672574 16008861 21345148 32017722 64035444