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53180690 = 2541151859
BaseRepresentation
bin1100101011011…
…1100100010010
310201001212012012
43022313210102
5102103240230
65135502522
71214012513
oct312674422
9121055165
1053180690
1128023492
1215987a42
13b030084
1470c4a0a
154a07395
hex32b7912

53180690 has 32 divisors (see below), whose sum is σ = 98824320. Its totient is φ = 20592000.

The previous prime is 53180683. The next prime is 53180713. The reversal of 53180690 is 9608135.

53180690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×531806902 = 5656371577752200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61481 + ... + 62339.

It is an arithmetic number, because the mean of its divisors is an integer number (3088260).

Almost surely, 253180690 is an apocalyptic number.

53180690 is a deficient number, since it is larger than the sum of its proper divisors (45643630).

53180690 is a wasteful number, since it uses less digits than its factorization.

53180690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 53180690 is about 7292.5091703748. The cubic root of 53180690 is about 376.0549612203.

The spelling of 53180690 in words is "fifty-three million, one hundred eighty thousand, six hundred ninety".

Divisors: 1 2 5 10 41 82 151 205 302 410 755 859 1510 1718 4295 6191 8590 12382 30955 35219 61910 70438 129709 176095 259418 352190 648545 1297090 5318069 10636138 26590345 53180690