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53327808 = 2638127
BaseRepresentation
bin1100101101101…
…1011111000000
310201100100000000
43023123133000
5102122442213
65143000000
71215164442
oct313333700
9121310000
1053327808
1128113a76
1215a39000
13b082021
147122492
154a35c73
hex32db7c0

53327808 has 126 divisors (see below), whose sum is σ = 159975296. Its totient is φ = 17635968.

The previous prime is 53327803. The next prime is 53327809. The reversal of 53327808 is 80872335.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53327801) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 419841 + ... + 419967.

Almost surely, 253327808 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 53327808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79987648).

53327808 is an abundant number, since it is smaller than the sum of its proper divisors (106647488).

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

53327808 is an frugal number, since it uses more digits than its factorization.

53327808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 53327808 is about 7302.5891298908. The cubic root of 53327808 is about 376.4014122591.

The spelling of 53327808 in words is "fifty-three million, three hundred twenty-seven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 127 144 162 192 216 243 254 288 324 381 432 486 508 576 648 729 762 864 972 1016 1143 1296 1458 1524 1728 1944 2032 2187 2286 2592 2916 3048 3429 3888 4064 4374 4572 5184 5832 6096 6561 6858 7776 8128 8748 9144 10287 11664 12192 13122 13716 15552 17496 18288 20574 23328 24384 26244 27432 30861 34992 36576 41148 46656 52488 54864 61722 69984 73152 82296 92583 104976 109728 123444 139968 164592 185166 209952 219456 246888 277749 329184 370332 419904 493776 555498 658368 740664 833247 987552 1110996 1481328 1666494 1975104 2221992 2962656 3332988 4443984 5925312 6665976 8887968 13331952 17775936 26663904 53327808