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85980310 = 25135312479
BaseRepresentation
bin1010001111111…
…11010010010110
312222210020210221
411013333102112
5134002332220
612310504554
72062551313
oct507772226
9188706727
1085980310
1144596309
122496515a
1314a75430
14b5c1d0a
1578359aa
hex51ff496

85980310 has 32 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 31145088.

The previous prime is 85980299. The next prime is 85980313. The reversal of 85980310 is 1308958.

It is a super-2 number, since 2×859803102 = 14785227415392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85980313) 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, 651 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 285980310 is an apocalyptic number.

85980310 is a deficient number, since it is larger than the sum of its proper divisors (83847530).

85980310 is a wasteful number, since it uses less digits than its factorization.

85980310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12552.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 85980310 is about 9272.5568210715. The cubic root of 85980310 is about 441.3668069452.

The spelling of 85980310 in words is "eighty-five million, nine hundred eighty thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 53 65 106 130 265 530 689 1378 3445 6890 12479 24958 62395 124790 162227 324454 661387 811135 1322774 1622270 3306935 6613870 8598031 17196062 42990155 85980310