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54404490 = 2357594391
BaseRepresentation
bin1100111110001…
…0010110001010
310210101000221010
43033202112022
5102411420430
65222024350
71230300450
oct317422612
9123330833
1054404490
1128789998
12162780b6
13b36b10a
1473229d0
154b99cb0
hex33e258a

54404490 has 64 divisors (see below), whose sum is σ = 151787520. Its totient is φ = 12221760.

The previous prime is 54404489. The next prime is 54404527. The reversal of 54404490 is 9440445.

54404490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10195 + ... + 14585.

It is an arithmetic number, because the mean of its divisors is an integer number (2371680).

Almost surely, 254404490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54404490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75893760).

54404490 is an abundant number, since it is smaller than the sum of its proper divisors (97383030).

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

54404490 is a wasteful number, since it uses less digits than its factorization.

54404490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 54404490 is about 7375.9399401025. The cubic root of 54404490 is about 378.9177191817.

The spelling of 54404490 in words is "fifty-four million, four hundred four thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 59 70 105 118 177 210 295 354 413 590 826 885 1239 1770 2065 2478 4130 4391 6195 8782 12390 13173 21955 26346 30737 43910 61474 65865 92211 131730 153685 184422 259069 307370 461055 518138 777207 922110 1295345 1554414 1813483 2590690 3626966 3886035 5440449 7772070 9067415 10880898 18134830 27202245 54404490