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54949249 = 61988771
BaseRepresentation
bin1101000110011…
…1010110000001
310211101201012101
43101213112001
5103031333444
65241430401
71235026615
oct321472601
9124351171
1054949249
1129021203
121649b401
13b4cc064
147425345
154c563d4
hex3467581

54949249 has 4 divisors (see below), whose sum is σ = 55038640. Its totient is φ = 54859860.

The previous prime is 54949211. The next prime is 54949289. The reversal of 54949249 is 94294945.

It is a happy number.

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 54949249 - 211 = 54947201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54949199 and 54949208.

It is not an unprimeable number, because it can be changed into a prime (54949289) 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, 43767 + ... + 45004.

It is an arithmetic number, because the mean of its divisors is an integer number (13759660).

Almost surely, 254949249 is an apocalyptic number.

It is an amenable number.

54949249 is a deficient number, since it is larger than the sum of its proper divisors (89391).

54949249 is an equidigital number, since it uses as much as digits as its factorization.

54949249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89390.

The product of its digits is 466560, while the sum is 46.

The square root of 54949249 is about 7412.7760656855. The cubic root of 54949249 is about 380.1782381760.

The spelling of 54949249 in words is "fifty-four million, nine hundred forty-nine thousand, two hundred forty-nine".

Divisors: 1 619 88771 54949249