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54413749 = 134185673
BaseRepresentation
bin1100111110010…
…0100110110101
310210101111122001
43033210212311
5102412214444
65222135301
71230336445
oct317444665
9123344561
1054413749
1128795945
1216281531
13b3723b0
147326125
154b9c8d4
hex33e49b5

54413749 has 4 divisors (see below), whose sum is σ = 58599436. Its totient is φ = 50228064.

The previous prime is 54413747. The next prime is 54413803. The reversal of 54413749 is 94731445.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12552849 + 41860900 = 3543^2 + 6470^2 .

It is a cyclic number.

It is not a de Polignac number, because 54413749 - 21 = 54413747 is a prime.

It is a super-3 number, since 3×544137493 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54413741) 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, 2092824 + ... + 2092849.

It is an arithmetic number, because the mean of its divisors is an integer number (14649859).

Almost surely, 254413749 is an apocalyptic number.

It is an amenable number.

54413749 is a deficient number, since it is larger than the sum of its proper divisors (4185687).

54413749 is a wasteful number, since it uses less digits than its factorization.

54413749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185686.

The product of its digits is 60480, while the sum is 37.

The square root of 54413749 is about 7376.5675622202. The cubic root of 54413749 is about 378.9392137320.

The spelling of 54413749 in words is "fifty-four million, four hundred thirteen thousand, seven hundred forty-nine".

Divisors: 1 13 4185673 54413749