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554490 = 232561101
BaseRepresentation
bin10000111010111111010
31001011121200
42013113322
5120220430
615515030
74466406
oct2072772
91034550
10554490
11349662
12228a76
13165501
14106106
15ae460
hex875fa

554490 has 48 divisors (see below), whose sum is σ = 1479816. Its totient is φ = 144000.

The previous prime is 554467. The next prime is 554503. The reversal of 554490 is 94455.

It can be written as a sum of positive squares in 4 ways, for example, as 439569 + 114921 = 663^2 + 339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5440 + ... + 5540.

2554490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739908).

554490 is an abundant number, since it is smaller than the sum of its proper divisors (925326).

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

554490 is a wasteful number, since it uses less digits than its factorization.

554490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 554490 is about 744.6408530292. The cubic root of 554490 is about 82.1544777871.

The spelling of 554490 in words is "five hundred fifty-four thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 61 90 101 122 183 202 303 305 366 505 549 606 610 909 915 1010 1098 1515 1818 1830 2745 3030 4545 5490 6161 9090 12322 18483 30805 36966 55449 61610 92415 110898 184830 277245 554490