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54520074 = 2337236271
BaseRepresentation
bin1100111111111…
…0100100001010
310210120220111000
43033332210022
5102424120244
65224315430
71231261440
oct317764412
9123526430
1054520074
1128858814
1216312b76
13b3ab8cb
147352b90
154bbe169
hex33fe90a

54520074 has 64 divisors (see below), whose sum is σ = 144506880. Its totient is φ = 14897520.

The previous prime is 54520073. The next prime is 54520157. The reversal of 54520074 is 47002545.

It is a super-3 number, since 3×545200743 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (54520073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5559 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (2257920).

Almost surely, 254520074 is an apocalyptic number.

54520074 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54520074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72253440).

54520074 is an abundant number, since it is smaller than the sum of its proper divisors (89986806).

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

54520074 is a wasteful number, since it uses less digits than its factorization.

54520074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312 (or 6306 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 54520074 is about 7383.7709877812. The cubic root of 54520074 is about 379.1858701272.

The spelling of 54520074 in words is "fifty-four million, five hundred twenty thousand, seventy-four".

Divisors: 1 2 3 6 7 9 14 18 21 23 27 42 46 54 63 69 126 138 161 189 207 322 378 414 483 621 966 1242 1449 2898 4347 6271 8694 12542 18813 37626 43897 56439 87794 112878 131691 144233 169317 263382 288466 338634 395073 432699 790146 865398 1009631 1185219 1298097 2019262 2370438 2596194 3028893 3894291 6057786 7788582 9086679 18173358 27260037 54520074