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54570243 = 3713474253
BaseRepresentation
bin1101000000101…
…0110100000011
310210200110022010
43100022310003
5102432221433
65225344003
71231560630
oct320126403
9123613263
1054570243
1128892482
1216338003
13b3c86b0
147367187
154bcde63
hex340ad03

54570243 has 32 divisors (see below), whose sum is σ = 91478016. Its totient is φ = 28165248.

The previous prime is 54570209. The next prime is 54570247. The reversal of 54570243 is 34207545.

It is not a de Polignac number, because 54570243 - 26 = 54570179 is a prime.

It is a super-2 number, since 2×545702432 = 5955822842158098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54570243.

It is not an unprimeable number, because it can be changed into a prime (54570247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10705 + ... + 14957.

It is an arithmetic number, because the mean of its divisors is an integer number (2858688).

Almost surely, 254570243 is an apocalyptic number.

54570243 is a deficient number, since it is larger than the sum of its proper divisors (36907773).

54570243 is a wasteful number, since it uses less digits than its factorization.

54570243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 54570243 is about 7387.1674544442. The cubic root of 54570243 is about 379.3021425534.

Adding to 54570243 its reverse (34207545), we get a palindrome (88777788).

The spelling of 54570243 in words is "fifty-four million, five hundred seventy thousand, two hundred forty-three".

Divisors: 1 3 7 13 21 39 47 91 141 273 329 611 987 1833 4253 4277 12759 12831 29771 55289 89313 165867 199891 387023 599673 1161069 1399237 2598583 4197711 7795749 18190081 54570243