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554135540 = 225731127681
BaseRepresentation
bin100001000001110…
…110111111110100
31102121201000001112
4201001312333310
52113324314130
6130553014152
716506034340
oct4101667764
91377630045
10554135540
11264882262
121356b4358
138aa5a96a
1453848620
15339ad495
hex21076ff4

554135540 has 48 divisors (see below), whose sum is σ = 1372836864. Its totient is φ = 183859200.

The previous prime is 554135537. The next prime is 554135579. The reversal of 554135540 is 45531455.

It is a junction number, because it is equal to n+sod(n) for n = 554135497 and 554135506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59501 + ... + 68180.

It is an arithmetic number, because the mean of its divisors is an integer number (28600768).

Almost surely, 2554135540 is an apocalyptic number.

It is an amenable number.

554135540 is an abundant number, since it is smaller than the sum of its proper divisors (818701324).

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

554135540 is a wasteful number, since it uses less digits than its factorization.

554135540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127728 (or 127726 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 554135540 is about 23540.0836871919. The cubic root of 554135540 is about 821.3696819354.

Adding to 554135540 its reverse (45531455), we get a palindrome (599666995).

The spelling of 554135540 in words is "five hundred fifty-four million, one hundred thirty-five thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 4340 127681 255362 510724 638405 893767 1276810 1787534 2553620 3575068 3958111 4468835 7916222 8937670 15832444 17875340 19790555 27706777 39581110 55413554 79162220 110827108 138533885 277067770 554135540