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57242100 = 22352190807
BaseRepresentation
bin1101101001011…
…1000111110100
310222201012101210
43122113013310
5104123221400
65402521420
71263356406
oct332270764
9128635353
1057242100
112a347923
1217206270
13bb22886
147860b76
15505a950
hex36971f4

57242100 has 36 divisors (see below), whose sum is σ = 165621344. Its totient is φ = 15264480.

The previous prime is 57242083. The next prime is 57242203. The reversal of 57242100 is 124275.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95104 + ... + 95703.

Almost surely, 257242100 is an apocalyptic number.

57242100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57242100 is an abundant number, since it is smaller than the sum of its proper divisors (108379244).

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

57242100 is a wasteful number, since it uses less digits than its factorization.

57242100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190824 (or 190817 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 57242100 is about 7565.8509105057. The cubic root of 57242100 is about 385.3942102653.

Adding to 57242100 its reverse (124275), we get a palindrome (57366375).

The spelling of 57242100 in words is "fifty-seven million, two hundred forty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 190807 381614 572421 763228 954035 1144842 1908070 2289684 2862105 3816140 4770175 5724210 9540350 11448420 14310525 19080700 28621050 57242100