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554340420 = 2232517181157
BaseRepresentation
bin100001000010101…
…001000001000100
31102122002102002200
4201002221001010
52113402343140
6131001234500
716510546554
oct4102510104
91378072080
10554340420
11264a02187
12135792a30
138aacccaa
145389d164
15339ee030
hex210a9044

554340420 has 72 divisors (see below), whose sum is σ = 1780420824. Its totient is φ = 139127808.

The previous prime is 554340389. The next prime is 554340421. The reversal of 554340420 is 24043455.

It can be written as a sum of positive squares in 4 ways, for example, as 115605504 + 438734916 = 10752^2 + 20946^2 .

It is not an unprimeable number, because it can be changed into a prime (554340421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87519 + ... + 93638.

It is an arithmetic number, because the mean of its divisors is an integer number (24728067).

Almost surely, 2554340420 is an apocalyptic number.

It is an amenable number.

554340420 is an abundant number, since it is smaller than the sum of its proper divisors (1226080404).

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

554340420 is a wasteful number, since it uses less digits than its factorization.

554340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181189 (or 181184 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 554340420 is about 23544.4350112718. The cubic root of 554340420 is about 821.4708975364.

Adding to 554340420 its reverse (24043455), we get a palindrome (578383875).

The spelling of 554340420 in words is "five hundred fifty-four million, three hundred forty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 765 1020 1530 3060 181157 362314 543471 724628 905785 1086942 1630413 1811570 2173884 2717355 3079669 3260826 3623140 5434710 6159338 6521652 8152065 9239007 10869420 12318676 15398345 16304130 18478014 27717021 30796690 32608260 36956028 46195035 55434042 61593380 92390070 110868084 138585105 184780140 277170210 554340420