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152326645 = 599730557
BaseRepresentation
bin10010001010001…
…01000111110101
3101121121222212121
421011011013311
5302443423040
623040515541
73526520002
oct1105050765
9347558777
10152326645
1178a91299
124301bbb1
1325734c13
14163328a9
15d58dc4a
hex91451f5

152326645 has 8 divisors (see below), whose sum is σ = 182981304. Its totient is φ = 121735104.

The previous prime is 152326639. The next prime is 152326649. The reversal of 152326645 is 546623251.

It can be written as a sum of positive squares in 4 ways, for example, as 10407076 + 141919569 = 3226^2 + 11913^2 .

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 152326645 - 217 = 152195573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152326645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152326649) 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, 10294 + ... + 20263.

It is an arithmetic number, because the mean of its divisors is an integer number (22872663).

Almost surely, 2152326645 is an apocalyptic number.

It is an amenable number.

152326645 is a deficient number, since it is larger than the sum of its proper divisors (30654659).

152326645 is an equidigital number, since it uses as much as digits as its factorization.

152326645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31559.

The product of its digits is 43200, while the sum is 34.

The square root of 152326645 is about 12342.0681006062. The cubic root of 152326645 is about 534.0623457251.

Adding to 152326645 its reverse (546623251), we get a palindrome (698949896).

The spelling of 152326645 in words is "one hundred fifty-two million, three hundred twenty-six thousand, six hundred forty-five".

Divisors: 1 5 997 4985 30557 152785 30465329 152326645