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1552748485 = 5310549697
BaseRepresentation
bin101110010001101…
…0000111111000101
311000012202210111011
41130203100333011
511140000422420
6414024442221
753323100341
oct13443207705
94005683434
101552748485
11727538a12
12374019371
131b99006b2
1410a314621
15914b895a
hex5c8d0fc5

1552748485 has 4 divisors (see below), whose sum is σ = 1863298188. Its totient is φ = 1242198784.

The previous prime is 1552748467. The next prime is 1552748503. The reversal of 1552748485 is 5848472551.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1552748467) and next prime (1552748503).

It can be written as a sum of positive squares in 2 ways, for example, as 631868769 + 920879716 = 25137^2 + 30346^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552748485 - 25 = 1552748453 is a prime.

It is a super-2 number, since 2×15527484852 = 4822055715339590450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 155274844 + ... + 155274853.

It is an arithmetic number, because the mean of its divisors is an integer number (465824547).

Almost surely, 21552748485 is an apocalyptic number.

It is an amenable number.

1552748485 is a deficient number, since it is larger than the sum of its proper divisors (310549703).

1552748485 is an equidigital number, since it uses as much as digits as its factorization.

1552748485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310549702.

The product of its digits is 1792000, while the sum is 49.

The square root of 1552748485 is about 39404.9297042895. The cubic root of 1552748485 is about 1157.9781677818.

The spelling of 1552748485 in words is "one billion, five hundred fifty-two million, seven hundred forty-eight thousand, four hundred eighty-five".

Divisors: 1 5 310549697 1552748485