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54194065 = 510838813
BaseRepresentation
bin1100111010111…
…0111110010001
310202222100021121
43032232332101
5102333202230
65213322241
71225433122
oct316567621
9122870247
1054194065
1128655892
1216196381
13b2c63c3
1472aa049
154b5777a
hex33aef91

54194065 has 4 divisors (see below), whose sum is σ = 65032884. Its totient is φ = 43355248.

The previous prime is 54194059. The next prime is 54194071. The reversal of 54194065 is 56049145.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (54194059) and next prime (54194071).

It can be written as a sum of positive squares in 2 ways, for example, as 29899024 + 24295041 = 5468^2 + 4929^2 .

It is a cyclic number.

It is not a de Polignac number, because 54194065 - 23 = 54194057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54194065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5419402 + ... + 5419411.

It is an arithmetic number, because the mean of its divisors is an integer number (16258221).

Almost surely, 254194065 is an apocalyptic number.

It is an amenable number.

54194065 is a deficient number, since it is larger than the sum of its proper divisors (10838819).

54194065 is a wasteful number, since it uses less digits than its factorization.

54194065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10838818.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 54194065 is about 7361.6618368409. The cubic root of 54194065 is about 378.4285635975.

The spelling of 54194065 in words is "fifty-four million, one hundred ninety-four thousand, sixty-five".

Divisors: 1 5 10838813 54194065