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554621428 = 22138655357
BaseRepresentation
bin100001000011101…
…101100111110100
31102122121200120101
4201003231213310
52113440341203
6131011243444
716513130044
oct4103554764
91378550511
10554621428
11265084319
121358a9584
138ab9ab7a
1453933724
1533a5741d
hex210ed9f4

554621428 has 6 divisors (see below), whose sum is σ = 970587506. Its totient is φ = 277310712.

The previous prime is 554621371. The next prime is 554621449. The reversal of 554621428 is 824126455.

554621428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 538796944 + 15824484 = 23212^2 + 3978^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69327675 + ... + 69327682.

Almost surely, 2554621428 is an apocalyptic number.

It is an amenable number.

554621428 is a deficient number, since it is larger than the sum of its proper divisors (415966078).

554621428 is a wasteful number, since it uses less digits than its factorization.

554621428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138655361 (or 138655359 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 554621428 is about 23550.4018649364. The cubic root of 554621428 is about 821.6096816304.

The spelling of 554621428 in words is "five hundred fifty-four million, six hundred twenty-one thousand, four hundred twenty-eight".

Divisors: 1 2 4 138655357 277310714 554621428