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153430465 = 530686093
BaseRepresentation
bin10010010010100…
…10100111000001
3101200201002000211
421021102213001
5303234233330
623120314121
73542065066
oct1111224701
9350632024
10153430465
1179675641
1243472941
1325a30476
141653cc6d
15d70ad2a
hex92529c1

153430465 has 4 divisors (see below), whose sum is σ = 184116564. Its totient is φ = 122744368.

The previous prime is 153430463. The next prime is 153430477. The reversal of 153430465 is 564034351.

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 45603009 + 107827456 = 6753^2 + 10384^2 .

It is a cyclic number.

It is not a de Polignac number, because 153430465 - 21 = 153430463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153430463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15343042 + ... + 15343051.

It is an arithmetic number, because the mean of its divisors is an integer number (46029141).

Almost surely, 2153430465 is an apocalyptic number.

It is an amenable number.

153430465 is a deficient number, since it is larger than the sum of its proper divisors (30686099).

153430465 is an equidigital number, since it uses as much as digits as its factorization.

153430465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30686098.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 153430465 is about 12386.7051712713. The cubic root of 153430465 is about 535.3492522597.

The spelling of 153430465 in words is "one hundred fifty-three million, four hundred thirty thousand, four hundred sixty-five".

Divisors: 1 5 30686093 153430465