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553214430 = 23258217487
BaseRepresentation
bin100000111110010…
…110000111011110
31102112222012112100
4200332112013132
52113110330210
6130521145530
716465150026
oct4076260736
91375865470
10553214430
1126430320a
1213532b2a6
138a7c7622
1453688a86
153387a5c0
hex20f961de

553214430 has 48 divisors (see below), whose sum is σ = 1440301824. Its totient is φ = 147324480.

The previous prime is 553214401. The next prime is 553214443. The reversal of 553214430 is 34412355.

It is a junction number, because it is equal to n+sod(n) for n = 553214394 and 553214403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70147 + ... + 77633.

It is an arithmetic number, because the mean of its divisors is an integer number (30006288).

Almost surely, 2553214430 is an apocalyptic number.

553214430 is an abundant number, since it is smaller than the sum of its proper divisors (887087394).

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

553214430 is a wasteful number, since it uses less digits than its factorization.

553214430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321 (or 8318 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 553214430 is about 23520.5108362892. The cubic root of 553214430 is about 820.9143231747.

Adding to 553214430 its reverse (34412355), we get a palindrome (587626785).

The spelling of 553214430 in words is "five hundred fifty-three million, two hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 821 1642 2463 4105 4926 7389 7487 8210 12315 14778 14974 22461 24630 36945 37435 44922 67383 73890 74870 112305 134766 224610 336915 673830 6146827 12293654 18440481 30734135 36880962 55321443 61468270 92202405 110642886 184404810 276607215 553214430