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1552304189 = 92912171373
BaseRepresentation
bin101110010000110…
…0100100000111101
311000011221020000202
41130201210200331
511134342213224
6414011133245
753316240122
oct13441444075
94004836022
101552304189
11727265127
12373a44225
131b97a63b7
1410a23a749
159142beae
hex5c86483d

1552304189 has 8 divisors (see below), whose sum is σ = 1556384760. Its totient is φ = 1548230656.

The previous prime is 1552304167. The next prime is 1552304231. The reversal of 1552304189 is 9814032551.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 157879225 + 1394424964 = 12565^2 + 37342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1552304189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552304989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129907 + ... + 1131279.

It is an arithmetic number, because the mean of its divisors is an integer number (194548095).

Almost surely, 21552304189 is an apocalyptic number.

It is an amenable number.

1552304189 is a deficient number, since it is larger than the sum of its proper divisors (4080571).

1552304189 is a wasteful number, since it uses less digits than its factorization.

1552304189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 1552304189 is about 39399.2917322126. The cubic root of 1552304189 is about 1157.8677111407.

The spelling of 1552304189 in words is "one billion, five hundred fifty-two million, three hundred four thousand, one hundred eighty-nine".

Divisors: 1 929 1217 1373 1130593 1275517 1670941 1552304189