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947505053 = 111913134607
BaseRepresentation
bin111000011110011…
…100011110011101
32110000220020120202
4320132130132131
53420030130203
6234004153245
732323442255
oct7036343635
92400806522
10947505053
11446929630
12225398825
131213ba2a1
148dba4965
15582b2388
hex3879c79d

947505053 has 16 divisors (see below), whose sum is σ = 1096381440. Its totient is φ = 809780400.

The previous prime is 947505029. The next prime is 947505071. The reversal of 947505053 is 350505749.

It is a happy number.

It is not a de Polignac number, because 947505053 - 26 = 947504989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 947504998 and 947505016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947505073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10076 + ... + 44682.

It is an arithmetic number, because the mean of its divisors is an integer number (68523840).

Almost surely, 2947505053 is an apocalyptic number.

It is an amenable number.

947505053 is a deficient number, since it is larger than the sum of its proper divisors (148876387).

947505053 is a wasteful number, since it uses less digits than its factorization.

947505053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34768.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 947505053 is about 30781.5700216867. The cubic root of 947505053 is about 982.1862385160.

The spelling of 947505053 in words is "nine hundred forty-seven million, five hundred five thousand, fifty-three".

Divisors: 1 11 19 131 209 1441 2489 27379 34607 380677 657533 4533517 7232863 49868687 86136823 947505053