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85052502 = 2324725139
BaseRepresentation
bin1010001000111…
…00110001010110
312221001010002200
411010130301112
5133233140002
612234545330
72051635323
oct504346126
9187033080
1085052502
1144012227
1224598246
131480c032
14b41db4a
157700b1c
hex511cc56

85052502 has 12 divisors (see below), whose sum is σ = 184280460. Its totient is φ = 28350828.

The previous prime is 85052497. The next prime is 85052543. The reversal of 85052502 is 20525058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2362552 + ... + 2362587.

It is an arithmetic number, because the mean of its divisors is an integer number (15356705).

Almost surely, 285052502 is an apocalyptic number.

85052502 is an abundant number, since it is smaller than the sum of its proper divisors (99227958).

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

85052502 is a wasteful number, since it uses less digits than its factorization.

85052502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725147 (or 4725144 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 85052502 is about 9222.3913384762. The cubic root of 85052502 is about 439.7734749960.

The spelling of 85052502 in words is "eighty-five million, fifty-two thousand, five hundred two".

Divisors: 1 2 3 6 9 18 4725139 9450278 14175417 28350834 42526251 85052502