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85006963 = 586714489
BaseRepresentation
bin1010001000100…
…01101001110011
312220221210122001
411010101221303
5133230210323
612233554431
72051355466
oct504215163
9186853561
1085006963
1143a90a98
1224575a17
13147c43a2
14b40b2dd
1576e23ad
hex5111a73

85006963 has 4 divisors (see below), whose sum is σ = 85027320. Its totient is φ = 84986608.

The previous prime is 85006949. The next prime is 85007059. The reversal of 85006963 is 36960058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36960058 = 218480029.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85006963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85006903) 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, 1378 + ... + 13111.

It is an arithmetic number, because the mean of its divisors is an integer number (21256830).

Almost surely, 285006963 is an apocalyptic number.

85006963 is a deficient number, since it is larger than the sum of its proper divisors (20357).

85006963 is a wasteful number, since it uses less digits than its factorization.

85006963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20356.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 85006963 is about 9219.9220712542. The cubic root of 85006963 is about 439.6949728194.

The spelling of 85006963 in words is "eighty-five million, six thousand, nine hundred sixty-three".

Divisors: 1 5867 14489 85006963