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855049814 = 21987215161
BaseRepresentation
bin110010111101110…
…000011001010110
32012120221000211122
4302331300121112
53222343043224
6220502403542
730121542413
oct6275603126
92176830748
10855049814
113a9720643
121ba4305b2
131081b8948
14817b910a
15500ed15e
hex32f70656

855049814 has 8 divisors (see below), whose sum is σ = 1283226168. Its totient is φ = 427307760.

The previous prime is 855049813. The next prime is 855049831. The reversal of 855049814 is 418940558.

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

It is a super-2 number, since 2×8550498142 = 1462220368842869192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855049813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103607 + ... + 111554.

It is an arithmetic number, because the mean of its divisors is an integer number (160403271).

Almost surely, 2855049814 is an apocalyptic number.

855049814 is a deficient number, since it is larger than the sum of its proper divisors (428176354).

855049814 is a wasteful number, since it uses less digits than its factorization.

855049814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217150.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 855049814 is about 29241.2348234475. The cubic root of 855049814 is about 949.1404280232.

The spelling of 855049814 in words is "eight hundred fifty-five million, forty-nine thousand, eight hundred fourteen".

Divisors: 1 2 1987 3974 215161 430322 427524907 855049814