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52085118 = 2319479721
BaseRepresentation
bin1100011010110…
…0000101111110
310122000012100110
43012230011332
5101313210433
65100210450
71201500441
oct306540576
9118005313
1052085118
1127445358
1215539a26
13aa384c7
146cbb658
15488c963
hex31ac17e

52085118 has 32 divisors (see below), whose sum is σ = 111997440. Its totient is φ = 16096320.

The previous prime is 52085081. The next prime is 52085119. The reversal of 52085118 is 81158025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52085119) 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, 498 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (3499920).

Almost surely, 252085118 is an apocalyptic number.

52085118 is an abundant number, since it is smaller than the sum of its proper divisors (59912322).

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

52085118 is a wasteful number, since it uses less digits than its factorization.

52085118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 52085118 is about 7217.0020091448. The cubic root of 52085118 is about 373.4546609983.

The spelling of 52085118 in words is "fifty-two million, eighty-five thousand, one hundred eighteen".

Divisors: 1 2 3 6 19 38 47 57 94 114 141 282 893 1786 2679 5358 9721 19442 29163 58326 184699 369398 456887 554097 913774 1108194 1370661 2741322 8680853 17361706 26042559 52085118