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54091197 = 3223925147
BaseRepresentation
bin1100111001010…
…1110110111101
310202210010011200
43032111312331
5102321404242
65211210113
71224524166
oct316256675
9122703150
1054091197
1128595576
1216146939
13b28b634
14728076d
154b3704c
hex3395dbd

54091197 has 12 divisors (see below), whose sum is σ = 78461760. Its totient is φ = 35908488.

The previous prime is 54091181. The next prime is 54091199. The reversal of 54091197 is 79119045.

It is not a de Polignac number, because 54091197 - 24 = 54091181 is a prime.

It is a super-3 number, since 3×540911973 (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54091199) 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 11 ways as a sum of consecutive naturals, for example, 10423 + ... + 14724.

It is an arithmetic number, because the mean of its divisors is an integer number (6538480).

Almost surely, 254091197 is an apocalyptic number.

It is an amenable number.

54091197 is a deficient number, since it is larger than the sum of its proper divisors (24370563).

54091197 is a wasteful number, since it uses less digits than its factorization.

54091197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25392 (or 25389 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 54091197 is about 7354.6717805759. The cubic root of 54091197 is about 378.1889749642.

The spelling of 54091197 in words is "fifty-four million, ninety-one thousand, one hundred ninety-seven".

Divisors: 1 3 9 239 717 2151 25147 75441 226323 6010133 18030399 54091197