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995003947 = 7220306203
BaseRepresentation
bin111011010011101…
…000111000101011
32120100021102211001
4323103220320223
54014210111242
6242422215431
733441252100
oct7323507053
92510242731
10995003947
11470721213
12239284577
1312b1ab142
149620aaa7
155c545eb7
hex3b4e8e2b

995003947 has 6 divisors (see below), whose sum is σ = 1157453628. Its totient is φ = 852860484.

The previous prime is 995003941. The next prime is 995003957. The reversal of 995003947 is 749300599.

It is not a de Polignac number, because 995003947 - 227 = 860786219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 995003897 and 995003906.

It is not an unprimeable number, because it can be changed into a prime (995003941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10153053 + ... + 10153150.

It is an arithmetic number, because the mean of its divisors is an integer number (192908938).

Almost surely, 2995003947 is an apocalyptic number.

995003947 is a deficient number, since it is larger than the sum of its proper divisors (162449681).

995003947 is a wasteful number, since it uses less digits than its factorization.

995003947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20306217 (or 20306210 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 995003947 is about 31543.6831552690. The cubic root of 995003947 is about 998.3318678825.

The spelling of 995003947 in words is "nine hundred ninety-five million, three thousand, nine hundred forty-seven".

Divisors: 1 7 49 20306203 142143421 995003947