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550215530 = 25374334583
BaseRepresentation
bin100000110010111…
…001111101101010
31102100022211210222
4200302321331222
52111323344110
6130333010042
716430516624
oct4062717552
91370284728
10550215530
11262645087
12134323922
1389cb7627
1453107c14
1533486c55
hex20cb9f6a

550215530 has 32 divisors (see below), whose sum is σ = 1040840064. Its totient is φ = 209151936.

The previous prime is 550215529. The next prime is 550215551. The reversal of 550215530 is 35512055.

It is a self number, because there is not a number n which added to its sum of digits gives 550215530.

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, 1382 + ... + 33201.

It is an arithmetic number, because the mean of its divisors is an integer number (32526252).

Almost surely, 2550215530 is an apocalyptic number.

550215530 is a deficient number, since it is larger than the sum of its proper divisors (490624534).

550215530 is a wasteful number, since it uses less digits than its factorization.

550215530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34670.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 550215530 is about 23456.6734640699. The cubic root of 550215530 is about 819.4282798441.

Adding to 550215530 its reverse (35512055), we get a palindrome (585727585).

The spelling of 550215530 in words is "five hundred fifty million, two hundred fifteen thousand, five hundred thirty".

Divisors: 1 2 5 10 37 43 74 86 185 215 370 430 1591 3182 7955 15910 34583 69166 172915 345830 1279571 1487069 2559142 2974138 6397855 7435345 12795710 14870690 55021553 110043106 275107765 550215530