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57453246 = 23343109227
BaseRepresentation
bin1101101100101…
…0101010111110
311000002221001000
43123022222332
5104202000441
65411231130
71265226114
oct333125276
9130087030
1057453246
112a481524
12172a84a6
13bb97a06
1478b7ab4
15509d2b6
hex36caabe

57453246 has 64 divisors (see below), whose sum is σ = 132422400. Its totient is φ = 18452448.

The previous prime is 57453239. The next prime is 57453257. The reversal of 57453246 is 64235475.

It is a self number, because there is not a number n which added to its sum of digits gives 57453246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252985 + ... + 253211.

It is an arithmetic number, because the mean of its divisors is an integer number (2069100).

Almost surely, 257453246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57453246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66211200).

57453246 is an abundant number, since it is smaller than the sum of its proper divisors (74969154).

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

57453246 is a wasteful number, since it uses less digits than its factorization.

57453246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 384 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 57453246 is about 7579.7919496514. The cubic root of 57453246 is about 385.8674901097.

The spelling of 57453246 in words is "fifty-seven million, four hundred fifty-three thousand, two hundred forty-six".

Divisors: 1 2 3 6 9 18 27 43 54 86 109 129 218 227 258 327 387 454 654 681 774 981 1161 1362 1962 2043 2322 2943 4086 4687 5886 6129 9374 9761 12258 14061 19522 24743 28122 29283 42183 49486 58566 74229 84366 87849 126549 148458 175698 222687 253098 263547 445374 527094 668061 1063949 1336122 2127898 3191847 6383694 9575541 19151082 28726623 57453246