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52450304 = 2101723131
BaseRepresentation
bin1100100000010…
…1010000000000
310122200202021212
43020011100000
5101411402204
65112105252
71204551224
oct310052000
9118622255
1052450304
1127674765
1215695228
13ab357aa
146d74784
154910c6e
hex3205400

52450304 has 88 divisors (see below), whose sum is σ = 116728128. Its totient is φ = 23429120.

The previous prime is 52450291. The next prime is 52450309. The reversal of 52450304 is 40305425.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 52450304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52450309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400319 + ... + 400449.

It is an arithmetic number, because the mean of its divisors is an integer number (1326456).

Almost surely, 252450304 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 52450304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58364064).

52450304 is an abundant number, since it is smaller than the sum of its proper divisors (64277824).

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

52450304 is a wasteful number, since it uses less digits than its factorization.

52450304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52450304 is about 7242.2582113592. The cubic root of 52450304 is about 374.3254338073.

Adding to 52450304 its reverse (40305425), we get a palindrome (92755729).

The spelling of 52450304 in words is "fifty-two million, four hundred fifty thousand, three hundred four".

Divisors: 1 2 4 8 16 17 23 32 34 46 64 68 92 128 131 136 184 256 262 272 368 391 512 524 544 736 782 1024 1048 1088 1472 1564 2096 2176 2227 2944 3013 3128 4192 4352 4454 5888 6026 6256 8384 8704 8908 11776 12052 12512 16768 17408 17816 23552 24104 25024 33536 35632 48208 50048 51221 67072 71264 96416 100096 102442 134144 142528 192832 200192 204884 285056 385664 400384 409768 570112 771328 819536 1140224 1542656 1639072 2280448 3085312 3278144 6556288 13112576 26225152 52450304