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550028502 = 23310185713
BaseRepresentation
bin100000110010001…
…100010011010110
31102022222100021000
4200302030103112
52111301403002
6130325004130
716426110432
oct4062142326
91368870230
10550028502
11262527611
12134253646
1389c5046a
14530999c2
153344b61c
hex20c8c4d6

550028502 has 16 divisors (see below), whose sum is σ = 1222285680. Its totient is φ = 183342816.

The previous prime is 550028483. The next prime is 550028513. The reversal of 550028502 is 205820055.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5092803 + ... + 5092910.

It is an arithmetic number, because the mean of its divisors is an integer number (76392855).

Almost surely, 2550028502 is an apocalyptic number.

550028502 is an abundant number, since it is smaller than the sum of its proper divisors (672257178).

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

550028502 is a wasteful number, since it uses less digits than its factorization.

550028502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185724 (or 10185718 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 550028502 is about 23452.6864559265. The cubic root of 550028502 is about 819.3354232621.

Adding to 550028502 its reverse (205820055), we get a palindrome (755848557).

It can be divided in two parts, 55002 and 8502, that added together give a square (63504 = 2522).

The spelling of 550028502 in words is "five hundred fifty million, twenty-eight thousand, five hundred two".

Divisors: 1 2 3 6 9 18 27 54 10185713 20371426 30557139 61114278 91671417 183342834 275014251 550028502