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554513128 = 23135331857
BaseRepresentation
bin100001000011010…
…011001011101000
31102122102012000021
4201003103023220
52113423410003
6131005050224
716512166231
oct4103231350
91378365007
10554513128
1126500aa14
12135856974
138ab607a0
1453906088
1533a352bd
hex210d32e8

554513128 has 16 divisors (see below), whose sum is σ = 1119690180. Its totient is φ = 255929088.

The previous prime is 554513111. The next prime is 554513137. The reversal of 554513128 is 821315455.

It can be written as a sum of positive squares in 2 ways, for example, as 550277764 + 4235364 = 23458^2 + 2058^2 .

It is a junction number, because it is equal to n+sod(n) for n = 554513093 and 554513102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2665825 + ... + 2666032.

Almost surely, 2554513128 is an apocalyptic number.

It is an amenable number.

554513128 is an abundant number, since it is smaller than the sum of its proper divisors (565177052).

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

554513128 is a wasteful number, since it uses less digits than its factorization.

554513128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331876 (or 5331872 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 554513128 is about 23548.1024288583. The cubic root of 554513128 is about 821.5562000323.

The spelling of 554513128 in words is "five hundred fifty-four million, five hundred thirteen thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 5331857 10663714 21327428 42654856 69314141 138628282 277256564 554513128