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54449470 = 2517320291
BaseRepresentation
bin1100111110110…
…1010100111110
310210110022122001
43033231110332
5102414340340
65223012514
71230545545
oct317552476
9123408561
1054449470
112880a769
121629a13a
13b38572a
14733515c
154ba829a
hex33ed53e

54449470 has 16 divisors (see below), whose sum is σ = 103774608. Its totient is φ = 20498560.

The previous prime is 54449467. The next prime is 54449477. The reversal of 54449470 is 7494445.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54449477) 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 7 ways as a sum of consecutive naturals, for example, 159976 + ... + 160315.

It is an arithmetic number, because the mean of its divisors is an integer number (6485913).

Almost surely, 254449470 is an apocalyptic number.

54449470 is a deficient number, since it is larger than the sum of its proper divisors (49325138).

54449470 is a wasteful number, since it uses less digits than its factorization.

54449470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320315.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 54449470 is about 7378.9884130550. The cubic root of 54449470 is about 379.0221163499.

The spelling of 54449470 in words is "fifty-four million, four hundred forty-nine thousand, four hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 320291 640582 1601455 3202910 5444947 10889894 27224735 54449470