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53210808 = 23327711487
BaseRepresentation
bin1100101011111…
…0111010111000
310201010101111200
43022332322320
5102110221213
65140254200
71214166360
oct312767270
9121111450
1053210808
1128044082
12159a1360
13b0409b1
1470d19a0
154a11273
hex32beeb8

53210808 has 96 divisors (see below), whose sum is σ = 167132160. Its totient is φ = 14978880.

The previous prime is 53210791. The next prime is 53210813. The reversal of 53210808 is 80801235.

It is a happy number.

53210808 is nontrivially palindromic in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35041 + ... + 36527.

It is an arithmetic number, because the mean of its divisors is an integer number (1740960).

Almost surely, 253210808 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 53210808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83566080).

53210808 is an abundant number, since it is smaller than the sum of its proper divisors (113921352).

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

53210808 is a wasteful number, since it uses less digits than its factorization.

53210808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 53210808 is about 7294.5738737777. The cubic root of 53210808 is about 376.1259386490.

The spelling of 53210808 in words is "fifty-three million, two hundred ten thousand, eight hundred eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 71 72 84 126 142 168 213 252 284 426 497 504 568 639 852 994 1278 1487 1491 1704 1988 2556 2974 2982 3976 4461 4473 5112 5948 5964 8922 8946 10409 11896 11928 13383 17844 17892 20818 26766 31227 35688 35784 41636 53532 62454 83272 93681 105577 107064 124908 187362 211154 249816 316731 374724 422308 633462 739039 749448 844616 950193 1266924 1478078 1900386 2217117 2533848 2956156 3800772 4434234 5912312 6651351 7601544 8868468 13302702 17736936 26605404 53210808