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54473144 = 2311679239
BaseRepresentation
bin1100111111001…
…1000110111000
310210111112002212
43033303012320
5102421120034
65223314252
71231004555
oct317630670
9123445085
1054473144
1128826530
12162ab988
13b39343b
14733da2c
154bb02ce
hex33f31b8

54473144 has 32 divisors (see below), whose sum is σ = 113097600. Its totient is φ = 24388320.

The previous prime is 54473137. The next prime is 54473147. The reversal of 54473144 is 44137445.

It is a self number, because there is not a number n which added to its sum of digits gives 54473144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54473147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (3534300).

Almost surely, 254473144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54473144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56548800).

54473144 is an abundant number, since it is smaller than the sum of its proper divisors (58624456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54473144 is a wasteful number, since it uses less digits than its factorization.

54473144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323 (or 9319 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 54473144 is about 7380.5923881488. The cubic root of 54473144 is about 379.0770398686.

The spelling of 54473144 in words is "fifty-four million, four hundred seventy-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 67 88 134 268 536 737 1474 2948 5896 9239 18478 36956 73912 101629 203258 406516 619013 813032 1238026 2476052 4952104 6809143 13618286 27236572 54473144