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152041217 = 178943601
BaseRepresentation
bin10010000111111…
…11011100000001
3101121002111100012
421003333130001
5302410304332
623030434305
73524220566
oct1103773401
9347074305
10152041217
11789068a9
1242b02995
1325665023
141629a86d
15d5343b2
hex90ff701

152041217 has 4 divisors (see below), whose sum is σ = 160984836. Its totient is φ = 143097600.

The previous prime is 152041213. The next prime is 152041271. The reversal of 152041217 is 712140251.

152041217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 134768881 + 17272336 = 11609^2 + 4156^2 .

It is a cyclic number.

It is not a de Polignac number, because 152041217 - 22 = 152041213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152041192 and 152041201.

It is not an unprimeable number, because it can be changed into a prime (152041213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4471784 + ... + 4471817.

It is an arithmetic number, because the mean of its divisors is an integer number (40246209).

Almost surely, 2152041217 is an apocalyptic number.

152041217 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

152041217 is a deficient number, since it is larger than the sum of its proper divisors (8943619).

152041217 is an equidigital number, since it uses as much as digits as its factorization.

152041217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943618.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 152041217 is about 12330.4994627144. The cubic root of 152041217 is about 533.7285637668.

Adding to 152041217 its reverse (712140251), we get a palindrome (864181468).

The spelling of 152041217 in words is "one hundred fifty-two million, forty-one thousand, two hundred seventeen".

Divisors: 1 17 8943601 152041217