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64230450 = 23521931727
BaseRepresentation
bin1111010100000…
…1010000110010
311110212020121120
43311001100302
5112420333300
610212403110
71406643534
oct365012062
9143766546
1064230450
1133290319
1219616496
13103cb6ab
14875d854
15598b3a0
hex3d41432

64230450 has 96 divisors (see below), whose sum is σ = 173322240. Its totient is φ = 15681600.

The previous prime is 64230379. The next prime is 64230451. The reversal of 64230450 is 5403246.

It is a self number, because there is not a number n which added to its sum of digits gives 64230450.

It is not an unprimeable number, because it can be changed into a prime (64230451) 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 47 ways as a sum of consecutive naturals, for example, 87987 + ... + 88713.

It is an arithmetic number, because the mean of its divisors is an integer number (1805440).

Almost surely, 264230450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64230450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86661120).

64230450 is an abundant number, since it is smaller than the sum of its proper divisors (109091790).

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

64230450 is a wasteful number, since it uses less digits than its factorization.

64230450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 64230450 is about 8014.3901826652. The cubic root of 64230450 is about 400.4795290666.

Adding to 64230450 its reverse (5403246), we get a palindrome (69633696).

The spelling of 64230450 in words is "sixty-four million, two hundred thirty thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 31 38 50 57 62 75 93 95 114 150 155 186 190 285 310 465 475 570 589 727 775 930 950 1178 1425 1454 1550 1767 2181 2325 2850 2945 3534 3635 4362 4650 5890 7270 8835 10905 13813 14725 17670 18175 21810 22537 27626 29450 36350 41439 44175 45074 54525 67611 69065 82878 88350 109050 112685 135222 138130 207195 225370 338055 345325 414390 428203 563425 676110 690650 856406 1035975 1126850 1284609 1690275 2071950 2141015 2569218 3380550 4282030 6423045 10705075 12846090 21410150 32115225 64230450