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94106909 = 1389163499
BaseRepresentation
bin1011001101111…
…11010100011101
320120002010102002
411212333110131
5143042410114
613201012045
72221616111
oct546772435
9216063362
1094106909
1149136a06
1227624025
131665c380
14c6d9741
1583dd7de
hex59bf51d

94106909 has 16 divisors (see below), whose sum is σ = 103320000. Its totient is φ = 85193856.

The previous prime is 94106861. The next prime is 94106939. The reversal of 94106909 is 90960149.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-94106909 is a prime.

It is a super-2 number, since 2×941069092 = 17712220643068562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94106939) 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 15 ways as a sum of consecutive naturals, for example, 188342 + ... + 188840.

It is an arithmetic number, because the mean of its divisors is an integer number (6457500).

Almost surely, 294106909 is an apocalyptic number.

It is an amenable number.

94106909 is a deficient number, since it is larger than the sum of its proper divisors (9213091).

94106909 is a wasteful number, since it uses less digits than its factorization.

With its successor (94106910) it forms an eRAP, since the sums of their prime factors are consecutive (764 and 765).

94106909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 94106909 is about 9700.8715587827. The cubic root of 94106909 is about 454.8559041350.

The spelling of 94106909 in words is "ninety-four million, one hundred six thousand, nine hundred nine".

Divisors: 1 13 89 163 499 1157 2119 6487 14507 44411 81337 188591 577343 1057381 7238993 94106909