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553281972 = 22346106831
BaseRepresentation
bin100000111110100…
…110100110110100
31102120002122011220
4200332212212310
52113120010342
6130522430340
716465550655
oct4076464664
91376078156
10553281972
11264349a31
121353623b0
138a81c2a9
14536a552c
15338905ec
hex20fa69b4

553281972 has 12 divisors (see below), whose sum is σ = 1290991296. Its totient is φ = 184427320.

The previous prime is 553281961. The next prime is 553282007. The reversal of 553281972 is 279182355.

It is a happy number.

553281972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×5532819722 = 612241881080417568, which contains 22 as substring.

It is a congruent number.

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, 23053404 + ... + 23053427.

It is an arithmetic number, because the mean of its divisors is an integer number (107582608).

Almost surely, 2553281972 is an apocalyptic number.

It is an amenable number.

553281972 is an abundant number, since it is smaller than the sum of its proper divisors (737709324).

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

553281972 is a wasteful number, since it uses less digits than its factorization.

553281972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46106838 (or 46106836 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 553281972 is about 23521.9466031194. The cubic root of 553281972 is about 820.9477303166.

The spelling of 553281972 in words is "five hundred fifty-three million, two hundred eighty-one thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 46106831 92213662 138320493 184427324 276640986 553281972