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553704220 = 2251012691019
BaseRepresentation
bin100001000000001…
…101101100011100
31102120220002101201
4201000031230130
52113222013340
6130535445244
716502260006
oct4100155434
91376802351
10553704220
112646081a3
12135526824
138a939544
1453775376
153392579a
hex2100db1c

553704220 has 48 divisors (see below), whose sum is σ = 1179813600. Its totient is φ = 218259200.

The previous prime is 553704211. The next prime is 553704241. The reversal of 553704220 is 22407355.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542871 + ... + 543889.

It is an arithmetic number, because the mean of its divisors is an integer number (24579450).

Almost surely, 2553704220 is an apocalyptic number.

It is an amenable number.

553704220 is an abundant number, since it is smaller than the sum of its proper divisors (626109380).

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

553704220 is a wasteful number, since it uses less digits than its factorization.

553704220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 553704220 is about 23530.9205089814. The cubic root of 553704220 is about 821.1565180050.

The spelling of 553704220 in words is "five hundred fifty-three million, seven hundred four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 269 404 505 538 1010 1019 1076 1345 2020 2038 2690 4076 5095 5380 10190 20380 27169 54338 102919 108676 135845 205838 271690 274111 411676 514595 543380 548222 1029190 1096444 1370555 2058380 2741110 5482220 27685211 55370422 110740844 138426055 276852110 553704220