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553140520 = 23513828513
BaseRepresentation
bin100000111110000…
…100000100101000
31102112211110010221
4200332010010220
52113100444040
6130515415424
716464421402
oct4076040450
91375743127
10553140520
11264262729
121352b4574
138a79caaa
1453669b72
153386374a
hex20f84128

553140520 has 16 divisors (see below), whose sum is σ = 1244566260. Its totient is φ = 221256192.

The previous prime is 553140503. The next prime is 553140551. The reversal of 553140520 is 25041355.

It can be written as a sum of positive squares in 2 ways, for example, as 552908196 + 232324 = 23514^2 + 482^2 .

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, 6914217 + ... + 6914296.

Almost surely, 2553140520 is an apocalyptic number.

It is an amenable number.

553140520 is an abundant number, since it is smaller than the sum of its proper divisors (691425740).

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

553140520 is a wasteful number, since it uses less digits than its factorization.

553140520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828524 (or 13828520 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 553140520 is about 23518.9396019463. The cubic root of 553140520 is about 820.8777632222.

Adding to 553140520 its reverse (25041355), we get a palindrome (578181875).

The spelling of 553140520 in words is "five hundred fifty-three million, one hundred forty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 13828513 27657026 55314052 69142565 110628104 138285130 276570260 553140520