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153525530 = 2577319861
BaseRepresentation
bin10010010011010…
…01110100011010
3101200212220102202
421021221310122
5303300304110
623122330202
73542642204
oct1111516432
9350786382
10153525530
1179730004
12434b9962
1325a64812
1416565774
15d7290a5
hex9269d1a

153525530 has 16 divisors (see below), whose sum is σ = 276717384. Its totient is φ = 61327680.

The previous prime is 153525511. The next prime is 153525539. The reversal of 153525530 is 35525351.

It can be written as a sum of positive squares in 4 ways, for example, as 35868121 + 117657409 = 5989^2 + 10847^2 .

It is a junction number, because it is equal to n+sod(n) for n = 153525493 and 153525502.

It is not an unprimeable number, because it can be changed into a prime (153525539) 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, 2201 + ... + 17660.

Almost surely, 2153525530 is an apocalyptic number.

153525530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153525530 is a deficient number, since it is larger than the sum of its proper divisors (123191854).

153525530 is a wasteful number, since it uses less digits than its factorization.

153525530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20641.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 153525530 is about 12390.5419574771. The cubic root of 153525530 is about 535.4597962972.

The spelling of 153525530 in words is "one hundred fifty-three million, five hundred twenty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 773 1546 3865 7730 19861 39722 99305 198610 15352553 30705106 76762765 153525530