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85420502 = 2149328607
BaseRepresentation
bin1010001011101…
…10100111010110
312221201210220022
411011312213112
5133331424002
612250505142
72055030236
oct505664726
9187653808
1085420502
1144243762
12247351b2
131490a69b
14b4b7cc6
157774ba2
hex51769d6

85420502 has 8 divisors (see below), whose sum is σ = 128221056. Its totient is φ = 42680152.

The previous prime is 85420493. The next prime is 85420513. The reversal of 85420502 is 20502458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11318 + ... + 17289.

It is an arithmetic number, because the mean of its divisors is an integer number (16027632).

Almost surely, 285420502 is an apocalyptic number.

85420502 is a deficient number, since it is larger than the sum of its proper divisors (42800554).

85420502 is a wasteful number, since it uses less digits than its factorization.

85420502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30102.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 85420502 is about 9242.3212452284. The cubic root of 85420502 is about 440.4068241476.

The spelling of 85420502 in words is "eighty-five million, four hundred twenty thousand, five hundred two".

Divisors: 1 2 1493 2986 28607 57214 42710251 85420502