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53379072 = 21532181
BaseRepresentation
bin1100101110100…
…0000000000000
310201102221022200
43023220000000
5102131112242
65144033200
71215500055
oct313500000
9121387280
1053379072
112814953a
1215a62800
13b09c466
14713702c
154a4604c
hex32e8000

53379072 has 96 divisors (see below), whose sum is σ = 155055810. Its totient is φ = 17694720.

The previous prime is 53379071. The next prime is 53379083. The reversal of 53379072 is 27097335.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53231616 + 147456 = 7296^2 + 384^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (53379071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294822 + ... + 295002.

Almost surely, 253379072 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 53379072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77527905).

53379072 is an abundant number, since it is smaller than the sum of its proper divisors (101676738).

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

53379072 is an equidigital number, since it uses as much as digits as its factorization.

53379072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 53379072 is about 7306.0982747291. The cubic root of 53379072 is about 376.5219851397.

The spelling of 53379072 in words is "fifty-three million, three hundred seventy-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 181 192 256 288 362 384 512 543 576 724 768 1024 1086 1152 1448 1536 1629 2048 2172 2304 2896 3072 3258 4096 4344 4608 5792 6144 6516 8192 8688 9216 11584 12288 13032 16384 17376 18432 23168 24576 26064 32768 34752 36864 46336 49152 52128 69504 73728 92672 98304 104256 139008 147456 185344 208512 278016 294912 370688 417024 556032 741376 834048 1112064 1482752 1668096 2224128 2965504 3336192 4448256 5931008 6672384 8896512 13344768 17793024 26689536 53379072