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2190528149 = 17163790519
BaseRepresentation
bin1000001010010000…
…1100111010010101
312122122212100201012
42002210030322111
513441233400044
61001210342005
7105166116305
oct20244147225
95578770635
102190528149
11a24550247
1251172a905
1328ba96304
1416acd3605
15cc49a59e
hex8290ce95

2190528149 has 8 divisors (see below), whose sum is σ = 2333615040. Its totient is φ = 2049022656.

The previous prime is 2190528127. The next prime is 2190528157. The reversal of 2190528149 is 9418250912.

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

It is a cyclic number.

It is not a de Polignac number, because 2190528149 - 28 = 2190527893 is a prime.

It is a super-2 number, since 2×21905281492 = 9596827143122732402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190528049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392489 + ... + 398030.

It is an arithmetic number, because the mean of its divisors is an integer number (291701880).

Almost surely, 22190528149 is an apocalyptic number.

It is an amenable number.

2190528149 is a deficient number, since it is larger than the sum of its proper divisors (143086891).

2190528149 is a wasteful number, since it uses less digits than its factorization.

2190528149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790699.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 2190528149 is about 46803.0784137112. The cubic root of 2190528149 is about 1298.7222453104.

The spelling of 2190528149 in words is "two billion, one hundred ninety million, five hundred twenty-eight thousand, one hundred forty-nine".

Divisors: 1 17 163 2771 790519 13438823 128854597 2190528149