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53437380 = 22358910007
BaseRepresentation
bin1100101111011…
…0001111000100
310201112220022020
43023312033010
5102134444010
65145203140
71216132053
oct313661704
9121486266
1053437380
1128189327
1215a904b0
13b0bcb69
14715039a
154a58470
hex32f63c4

53437380 has 48 divisors (see below), whose sum is σ = 151320960. Its totient is φ = 14088448.

The previous prime is 53437357. The next prime is 53437393. The reversal of 53437380 is 8373435.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (3152520).

Almost surely, 253437380 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 53437380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75660480).

53437380 is an abundant number, since it is smaller than the sum of its proper divisors (97883580).

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

53437380 is a wasteful number, since it uses less digits than its factorization.

53437380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108 (or 10106 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 53437380 is about 7310.0875507753. The cubic root of 53437380 is about 376.6590317019.

The spelling of 53437380 in words is "fifty-three million, four hundred thirty-seven thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 10007 20014 30021 40028 50035 60042 100070 120084 150105 200140 300210 600420 890623 1781246 2671869 3562492 4453115 5343738 8906230 10687476 13359345 17812460 26718690 53437380