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153208027 = 7615992
BaseRepresentation
bin10010010000111…
…00010011011011
3101200021202220101
421020130103123
5303210124102
623111440231
73540150430
oct1110342333
9350252811
10153208027
1179533505
1243386077
132598314b
14164c1b87
15d6b4e87
hex921c4db

153208027 has 12 divisors (see below), whose sum is σ = 178262896. Its totient is φ = 128952720.

The previous prime is 153208019. The next prime is 153208031. The reversal of 153208027 is 720802351.

It is not a de Polignac number, because 153208027 - 23 = 153208019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153207986 and 153208004.

It is not an unprimeable number, because it can be changed into a prime (153208007) 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 11 ways as a sum of consecutive naturals, for example, 255474 + ... + 256072.

Almost surely, 2153208027 is an apocalyptic number.

153208027 is a deficient number, since it is larger than the sum of its proper divisors (25054869).

153208027 is an frugal number, since it uses more digits than its factorization.

153208027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 153208027 is about 12377.7230135433. The cubic root of 153208027 is about 535.0904170705.

The spelling of 153208027 in words is "one hundred fifty-three million, two hundred eight thousand, twenty-seven".

Divisors: 1 7 61 427 599 4193 36539 255773 358801 2511607 21886861 153208027