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52945030 = 2547127887
BaseRepresentation
bin1100100111111…
…0000010000110
310200121212221001
43021332002012
5102023220110
65130443514
71212011455
oct311760206
9120555831
1052945030
1127982426
121589359a
13ac79a28
147062b9c
1549ac63a
hex327e086

52945030 has 32 divisors (see below), whose sum is σ = 98205696. Its totient is φ = 20541024.

The previous prime is 52945027. The next prime is 52945031. The reversal of 52945030 is 3054925.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52945030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52945031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59247 + ... + 60133.

It is an arithmetic number, because the mean of its divisors is an integer number (3068928).

Almost surely, 252945030 is an apocalyptic number.

52945030 is a deficient number, since it is larger than the sum of its proper divisors (45260666).

52945030 is a wasteful number, since it uses less digits than its factorization.

52945030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 52945030 is about 7276.3335547513. Note that the first 3 decimals coincide. The cubic root of 52945030 is about 375.4986669598.

Adding to 52945030 its reverse (3054925), we get a palindrome (55999955).

The spelling of 52945030 in words is "fifty-two million, nine hundred forty-five thousand, thirty".

Divisors: 1 2 5 10 47 94 127 235 254 470 635 887 1270 1774 4435 5969 8870 11938 29845 41689 59690 83378 112649 208445 225298 416890 563245 1126490 5294503 10589006 26472515 52945030