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54952197 = 318317399
BaseRepresentation
bin1101000110100…
…0000100000101
310211101212020120
43101220010011
5103031432242
65241452153
71235041326
oct321500405
9124355216
1054952197
1129023443
12164a1059
13b5004c1
14742644d
154c571ec
hex3468105

54952197 has 4 divisors (see below), whose sum is σ = 73269600. Its totient is φ = 36634796.

The previous prime is 54952189. The next prime is 54952213. The reversal of 54952197 is 79125945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54952197 - 23 = 54952189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54952297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9158697 + ... + 9158702.

It is an arithmetic number, because the mean of its divisors is an integer number (18317400).

Almost surely, 254952197 is an apocalyptic number.

It is an amenable number.

54952197 is a deficient number, since it is larger than the sum of its proper divisors (18317403).

54952197 is a wasteful number, since it uses less digits than its factorization.

54952197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18317402.

The product of its digits is 113400, while the sum is 42.

The square root of 54952197 is about 7412.9749089013. The cubic root of 54952197 is about 380.1850368458.

The spelling of 54952197 in words is "fifty-four million, nine hundred fifty-two thousand, one hundred ninety-seven".

Divisors: 1 3 18317399 54952197